How to Shop GAP Smart in Japan: Basics, Sizing and Sales

Fashion Published: 2026-10-18 25 min read

Prices, point rates and sale details in this article were checked by the mottoku editorial team against each service's official site and API (as of the last update). Always check the official sites for current prices, stock and campaign terms.

GAP is a brand where paying full price is a bad deal

Plenty of people have looked at a GAP price tag and thought, "That's more than I expected." But GAP's pricing assumes items will be sold below list price. It sets a fairly high list price at the start of the season, then layers on sales and coupons week by week. That "always discounted somewhere" approach is simply how GAP works. So you'll rarely need to pay the list price you see. Even for the same jeans or the same hoodie, what you pay can feel very different depending on when you buy and which discounts you combine.

Once you understand this, it's much easier to decide whether to wait for a sale or buy now. If you don't, you fall into the classic GAP trap: impulse-buying near full price, then regretting it when you see the same item cheaper a few days later. This article covers practical tips for shopping GAP smartly, from how sister brands like GAP, Banana Republic and Old Navy differ, to the quirks of US sizing, the seasonal rhythm of markdowns, when to use the official store, online marketplaces or outlets, and care tips to make your basics last.

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Actual prices and discount rates change constantly by season and store. This article avoids quoting specific amounts and focuses on how to think about it: roughly what discount off list price is normal, and when prices tend to drop. Please check current prices, stock and coupon terms on the official site or each online store.

GAP, Banana Republic, Old Navy: same group, different personalities

You can't talk about GAP without mentioning the sister brands run by the same company. In Japan, GAP itself and its outlets are the most visible, but knowing the personalities of the brands, including those back in the US, helps clarify what you actually want from GAP.

BrandPositioningStrengthsPrice feel
GAP (main brand)Core American casual staplesJeans, logo hoodies, plain and logo tees, kidsMid-range. Affordable on sale
Banana RepublicDressier, office-leaning higher-end lineSuit sets, knits and shirts in quality fabricsSomewhat higher. For people who want better materials
Old NavyMore affordable family casualEveryday wear, kids' clothes, seasonal basics in volumeLowest priced. Easygoing
AthletaWomen's activewear and yogaLeggings, sportswearPriced for performance. A specialist line

Even within the GAP family, the roles are split: Banana Republic for the office and dressier looks, Old Navy for everyday wear you'll wear out. GAP itself sits in between, offering classic American casual fits that become affordable on sale. Old Navy has pulled out of Japan, so you won't find it in stores, and Athleta isn't well known here either, so in practice you'll mostly be thinking about GAP itself and its outlets. Still, knowing each brand's personality helps you avoid mismatches like "I wanted something smart for the office, searched GAP, and nothing quite worked."

As a simple rule: for functional innerwear or the lowest prices, go with Japanese mass-market brands; for classic American casual style, logo vibes and relaxed fits, go with GAP. The realistic approach is to choose GAP for the design you like and adjust the price by buying on sale.

When in doubt, start with GAP's go-to staples

GAP has a huge range, and scrolling the sale pages can leave you unsure what to buy. You won't go wrong if you start from staples that don't go out of style and that you can wear for years.

  • Jeans: GAP's signature item. Lines are split by fit names like skinny, straight, tapered and loose. Even "straight" comes in different rises, so always check the fit name in the product title. Jeans get marked down often and tend to be the star of sales.
  • Logo hoodies and logo sweatshirts: The classic with the GAP logo across the chest. Fleece thickness and roominess change from generation to generation, so sizing with the recent slightly-baggier trend in mind gives a more current look.
  • Plain and pocket T-shirts: Unexciting, but people buy them again and again, and multi-buy discounts work well on them.
  • Kids and baby: Finely graded sizes and popular for durability. If you expect to replace them as your child grows, sales plus multi-buys give great value.
  • Oxford shirts and chinos: Staples for a slightly smarter look. Not as refined as Banana Republic, but easier for everyday wear.

On the other hand, for items that strongly reflect a single year's trends (loud prints, trendy fits and so on), it's worth pausing to ask "Will I still wear this next year?" even when they're cheap. Basics are GAP's real strength, so build around staples and add trendy pieces sparingly as accents.

What you'll be stuck without, and what can wait even if it's pushed on you

Many GAP pieces work on their own, but whether you can wear them right away is another matter. With bottoms and cotton basics in particular, it's easy to realize something is missing once you get home. Here's what to have ready when you buy GAP to avoid problems, and what can wait even if it's often recommended.

Decide how you'll handle the length before buying jeans or chinos

GAP bottoms are a mix of styles where you can choose the inseam length by number and styles that come in one length only. If the product page lets you pick inches like 30/32/34, just choose the number closest to your inseam. But one-length styles can be far too long for the average height in Japan. If you buy thinking "I'll deal with the length later," the jeans usually sit unworn for a whole season.

Decide first where you'll get them hemmed. For jeans, the result looks completely different depending on whether the shop can re-sew the hem with chain stitching, or offers original-hem finishing (元裾仕上げ), where they cut off the original hem (with its fading and wear marks) and sew it back on. With one-wash or dark, near-raw denim, a regular lockstitch hem won't bother you, but on heavily faded models, the hem alone will show brand-new fabric color and stand out. It's worth checking before you buy whether there's such a shop near you.

Also, the later in the sale, the fewer lengths are left. It's common to find the waist fits but only the long length remains, so if you plan from the start to "buy long and shorten," you'll have far more stock to choose from. You can't lengthen short ones, so when in doubt, go long.

Belts, and what to wear under a white tee

GAP's waist sizes on chinos and jeans are often based on something close to body measurements, and heavily washed pairs can feel looser than the label. Denim belt loops aren't sized for slim dress belts, so a wider leather belt fits better. Without a belt, you may find that pants that felt fine in the fitting room never sit quite right on your hips.

Classic white tees also come in both thick heavyweight versions and light, thin ones, all sold as a "white tee." If you go for the thin kind, wear an undershirt in beige or a near-skin tone rather than white, so its outline shows less. Matching it in white actually makes the two layers stand out more clearly.

Laundry gear to get first

GAP basics are high in cotton, with lots of printed logos, sweatshirts and hoodies. That means a laundry net, a near-neutral detergent and thick hangers with wide shoulders are practically essential. Hoodies get heavy when wet, and drying them on thin wire hangers leaves pointy marks in the shoulders. A thick hanger or a flat-drying net makes them last much longer.

If you wear sweatshirts or fleece, get a lint shaver early too. Underarms and cuffs pill easily from friction, and if you leave them, the surface of the fabric mats down and won't recover even after washing.

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On the day you buy dark jeans, rinse them once on their own before sitting on a light-colored sofa or wearing them with white sneakers. Washing them separately for the first few times works better than buying a special color fixative.

Things you don't need to rush to buy

Often recommendedWhy it can wait
Denim-specific detergentMost dye transfer is prevented just by washing them separately the first few times. Even with special detergent, they'll still shrink if you put them in the dryer.
Fabric softenerIt reduces the absorbency of sweatshirt and terry fabrics and dulls the feel of cotton. If you want to enjoy the crisp cotton of GAP basics, they wear better without it.
Color fixatives and anti-shrink spraysHard to tell whether they work at home, and on heavily treated pieces they can change the feel. It's more predictable to control things through how you wash.
Ordering two sizes at onceBuying two sizes instead of trying on is an option, but return hassle and conditions aren't always the same. Trying a similar style in store first is often quicker.
Bulk-buying the same style in several colorsEven the same style can differ slightly in fabric weight or shrinkage if made at different times. It's safer to wear one first, then buy more.

Also, the train fare and half a day spent traveling to an outlet store may not be worth it unless you know there's something you definitely want. When core sizes tend to sell out, you may well travel all that way and come home empty-handed, so check what they stock beforehand if you can.

Quirks of US sizing: going by numbers alone backfires

The most common problem when buying GAP online is getting the wrong size. It's an American brand, so if you pick "my usual M" based on Japanese brands, it often ends up too roomy.

  • Generally large and roomy: The same label often feels a size bigger than Japanese brands. Keep in mind that one size smaller than usual may fit better.
  • Jeans use waist × length in inches: A different system from S/M/L for tops. For example, "30×30" means waist (W) and inseam (L) in inches. Lengths often run long, assuming you'll hem them, so knowing your actual inseam helps.
  • Fit names make a huge difference: With the same waist, "skinny" and "loose" feel completely different. The golden rule is to choose by fit name as well as size.
  • For kids, use height and measurements, not age: Fits vary with growth and by line, so don't take age labels at face value—check height and measurements.

The trick to getting it right is simple: measure one item you own that fits you perfectly. Measure the length, shoulder width, chest width and inseam, and compare the numbers with the size chart (garment measurements) on the product page. GAP often lists measurements for each product, so going by the numbers in cm/inches rather than S/M/L labels drastically cuts mistakes, even online.

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Before you buy: ① Compare the size chart (garment measurements) with your own clothes in cm. ② Check the return and exchange terms (period, shipping, tags) first. ③ Look at the fabric and care labels (mostly-cotton items shrink in the wash, so size with that in mind). ④ For baby and kids' clothes, watch for strings or hoods that can catch and small parts that could be swallowed, and choose safe designs suited to the child's age. Note that importing from GAP's overseas official sites yourself can end up more expensive because of shipping and customs duties.

Reading the seasonal markdown cycle

We said GAP is always discounted somewhere, but there are still times when discounts tend to be deeper. GAP's sales progress in stages, so once you get the rhythm, you can tell whether to wait for one more drop.

TimingDiscount depthStock and sizesBest for
Start of season (just after new arrivals)Small (close to list price)◎ All sizes in stockPeople who must get a specific color and size
Regular mid-season salesMedium (extra coupons can stack)○ Still good choiceGetting both a discount and good stock
End of season / clearanceLarge△ More sizes missingHunting the lowest price if your size is left
Big sales (major discounts a few times a year)Large○–△ Popular items sell out earlyStocking up on basics

A perk unique to GAP is stacking a sale price with an extra discount coupon. Member coupons or promo codes can sometimes be applied to items that are already marked down, and when that works, the effective price drops a lot. Coupons are sent out to registered members and via email, so for basics you're in no hurry for, wait for a coupon before buying. Meanwhile, popular sizes and colors disappear the longer you wait for clearance, so it pays to split things up: lock in must-haves mid-season, and save extra pieces where size doesn't matter much for the end of the season, when prices bottom out.

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Don't judge by discount rate alone—compare the effective price: sale price minus marketplace points. Even if GAP's own discount is modest, buying from its official shop on the marketplace you normally use during a points event can end up being the cheapest. Point rates and conditions change, so check each official site.

Official store, marketplaces or outlets: where to buy

Even for the same GAP item, stock, points and how easy returns are depend on where you buy. With GAP, understanding how outlets work in particular makes the choice clearer.

  • Official online store: Usually the best stock of sizes and colors, with member coupons and returns support for peace of mind. Shipping may be free over a certain amount. Your first choice if you know exactly which size and color you want.
  • Official shops on major online marketplaces: Combining points and marketplace sale events makes it easier to lower the effective price. Choosing the ecosystem you already use (where you collect points) means you miss out on less.
  • Outlet stores: The biggest advantage is being able to try things on. There are always discounts, but note that outlet-only lines are mixed in. These are made for outlets and may differ in quality and specs from regular-store staples. Check the product code and quality label so you know what you're getting. Size ranges can also be limited depending on the store.

As a rough guide: if you're unsure about size, go to an outlet where you can try things on, or the official store where returns are easy. To maximize points, use GAP's official shop on the marketplace you normally use. For the widest stock and full range of new arrivals, use the official online store. Keeping each channel's quirks in mind—"outlets are cheap but have special lines," "the official store has stock but discounts mean waiting for coupons"—gets you more satisfaction from the same budget. Prices change, so check current prices on each site.

GAP shopping mistakes usually come down to one of these nine

The ways people go wrong shopping at GAP are actually pretty limited. They all stem from how the brand works, so if you know them in advance, you can avoid most of them. Let's go through them.

1. The price drops a few days after you buy at full price

This is the most common regret. GAP is set up so markdowns come around regularly, so there's little reason to buy at full price something you don't plan to wear right away. The only time full price makes sense is for a core size of a staple that will almost certainly sell out if you wait. In other words, buy at full price only when the reason is "my size is still available," not "it's cheap," and you won't second-guess yourself.

2. Choosing US sizes as if they were Japanese sizes

If you pick a size S top assuming it's the same as a Japanese S, the shoulders may droop and the body may be too wide. But simply going down a size isn't always the answer: GAP tops also change in length with each size, so sizing down can leave the top too short around your stomach. The realistic approach is to decide first whether you're fitting by shoulder and chest width or by length, then pick the numbers.

3. The same model name can be a different item in a different year

GAP sometimes revives past fits along with their names, and loose, straight and slim styles each come in several model names. If you order "the same size because it's the same name as last time," it may arrive with a completely different rise or thigh. When re-buying, compare the actual measurements on the size chart, not the name.

4. Buying outlet lines thinking they're the same as regular-store lines

GAP has lines designed for outlets and factory stores. These aren't necessarily past-season items that ended up there; they're often a separate design made from the start for that price range. Fabric weight, stitching density and logo font can differ slightly. That's not to say they're bad products—just that it may not be "the same T-shirt I loved before." If you expect the same feel, you'll be disappointed.

5. Length disappears in the dryer

100% cotton T-shirts and sweatshirts will definitely shrink in length in a hot dryer. The tricky part is that some styles are cut slightly long to allow for shrinkage and some aren't. Once shrunk, they don't go back, so the safe approach is to air-dry the first time, see how the measurements change, and then decide your routine.

6. Dye transfer from dark denim

Dark denim with minimal treatment transfers color when you first start wearing it: onto white sneaker uppers, light-colored chairs, the inside of your bag. It happens more in sweaty seasons and on rainy days. Washing them on their own for the first few times and not letting them stay in contact with light-colored things for long while damp is enough to prevent it.

7. Picking items coupons don't apply to

Items often excluded from discounts are brand-new arrivals, collaborations, some core denim and items that are already marked down. The typical pattern is not noticing until the cart, finding out at checkout the coupon doesn't work, and confirming the order anyway on impulse. Conditions change with each purchase, so decide beforehand what you'll do if an item is excluded (skip it or switch styles), and you won't be swept along.

8. Leaving items in your cart until your size is gone

As markdowns progress, the middle sizes in core colors disappear first. When edge sizes remain, it looks like there's still stock, but your size may already be gone. A cart doesn't reserve stock, so act on the assumption that your options shrink while you hesitate.

9. Choosing kids' and baby sizes by age alone

Kids' clothes use age labels alongside letter sizes like XS/S/M, and even with the same age label, tops and bottoms can fit differently. Choosing by age alone can leave sleeves too long or mean they're outgrown within a season. The reliable way is to check a chart that lists height and chest measurements and compare it with the clothes your child wears now.

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Marked-down items aren't always handled the same as regular items for returns and exchanges. Before ordering several styles you're unsure about the size of, check the terms for that particular sale so you don't get caught out later.

The order that cuts mistakes

  • First, decide whether you'll wear the item this season. If not, don't buy it at full price.
  • Next, choose by measurements, not model name. Check even if it has the same name as something you bought before.
  • For bottoms, settle the length first, and if you'll shorten them, go for the longer pair.
  • For cotton basics, air-dry just the first time to see how they shrink.

Making cotton basics last

GAP's core items are mostly cotton basics. Even if you buy them cheaply, they're not good value if they quickly sag or shrink. Care that suits the fabric lets you keep wearing your basics for a long time.

  • Preventing shrinkage: Cotton tends to shrink in washing and drying. High dryer heat is a main cause of shrinking and warping, so drying basics in the shade or air-drying is the safe choice. Allowing for a little shrinkage when choosing your size gives peace of mind.
  • Denim fading: The basic rule for dark denim is to wash it inside out on its own. This prevents dye from transferring to other clothes. If you want natural fading from wear, wash less often; if you want to keep the color even, wash more often. Adjust to your taste.
  • Hoodies and sweatshirts losing shape: Hanging heavy fleece-lined pieces tends to stretch the shoulders. Fold them for storage or use thick hangers to keep their shape.
  • Logo prints: Washing inside out and drying on low heat helps prevent chest logo prints from cracking.

This basic care needs no special tools—just make it a habit. If you think of buying cheap on sale and wearing for a long time as a package, GAP basics become genuinely great value.

Before you buy, check the product page and the item in this order

GAP product pages have a lot of information, and it's not always clear where to start. Here's a fixed order of checks, along with what goes wrong if each one is off. Work through them from the top and you'll have far fewer returns and unworn clothes.

  1. Which line the item belongs toFirst, check whether it's a regular-store line or one designed for outlets/factory stores. Mix this up and you'll order thinking it's the same as before, only to receive something with different fabric weight or logo feel. Understand it as a different design rather than a question of better or worse, and your expectations won't be off.
  2. Fit name and riseFor bottoms, check the model name (straight, slim, loose, etc.) and whether the rise is high or mid. Even with the same waist size, a different rise changes where the pants sit on your hips and throws off the length balance. If the rise differs from a pair you own, you'll often feel "I look heavier" even in the same size.
  3. Fabric contentCheck whether it's 100% cotton or contains stretch such as polyurethane. 100% cotton shrinks when washed and bags at the knees with wear. Stretch blends shrink less, but over time the waist area loosens and doesn't recover. Your choice affects how you'll wash them and how often you'll replace them.
  4. Whether lengths are listedCheck whether you can choose the inseam in inches or it's one length only. With one-length styles, assume they'll be too long and factor in the time and effort of hemming before buying. Skip this and the chance they sit unworn because "getting them hemmed is a hassle" shoots up.
  5. Whether the size chart shows garment or body measurementsCheck whether the waist figure is the measurement of the garment itself or the wearer's waist. Mix these up and you'll be off by a whole size. If the chart heading says body size, it's the latter, and washed bottoms may feel looser than the label.
  6. The model's height and size wornThe silhouette in photos depends on the model's height combined with the size they're wearing. If you choose your size expecting the same look as the photo, the hem will land in a different place and the impression changes. Mentally adding or subtracting your height difference as a length difference makes your estimate more accurate.
  7. Care labels, especially whether it can go in the dryerCotton basics shrink in length in the dryer. If you have a dryer at home, air-dry the first time to see how the measurements change before deciding your routine. Run it through once without checking and neither the length nor the width will recover, demoting it to a layering-only piece.
  8. Color names and lighting in photosEven the same "navy" or "oatmeal" can vary in depth by year and style. When on-model and flat photos give different impressions, the flat photo is usually closer to the real thing. If you plan to match colors top and bottom, getting this wrong ruins the coordinated look.
  9. Whether the item is eligible for discountsNew arrivals, collaborations and some core denim may be excluded. If you only notice at checkout, it's easy to confirm the order on impulse. Decide your fallback in advance (another style, or waiting) so you can decide calmly.
  10. Which sizes are leftIf only the middle sizes are missing, that color is near the end of its run. There's little room to wait for further markdowns, so if your size is there, grab it. If all sizes are still in stock, the price may still move.
  11. Return and exchange termsCheck how marked-down items are handled in that sale. Try it on before removing the tags and check the shoulders and length in front of a mirror. Cut the tags first and you lose your options if the size is wrong.

If you can see the item in store, check these three things too

  • Where the shoulder seam sits: Whether it falls beyond the edge of your shoulder changes how the same size looks. If you mistake a drop-shoulder design for "too big" and go down a size, the body may then be too narrow.
  • Twisting at the hem: Lay cotton pants flat and see whether the side seams fall straight. Pairs with a twist will rotate around your legs more with every wash. This varies from piece to piece even within the same style, so it's worth comparing in store.
  • Print edges: Logo prints with hard, raised edges tend to crack with repeated washing. If you want something to last, prints that are thin and blend into the fabric hold up better.
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If you jot down the measurements of your own clothes (shoulder width, chest width, length, inseam), most of these checks take just a few dozen seconds. With GAP, measurements are often more reliable than size labels, so this small step pays off in a big way.

FAQ

Should I avoid buying GAP at full price?

It's not strictly off-limits, but GAP is run on the assumption that items will be sold below list price, and there's always some sale or coupon running somewhere. For basics you're in no hurry for, waiting for a sale or coupon often gets you the same item much cheaper. Only move early, putting stock first, when there's a specific size or color you have to get.

What's the difference between GAP, Banana Republic and Old Navy?

They're in the same group but have distinct personalities. Banana Republic is the dressier, office-leaning higher-end line, Old Navy is more affordable family casual, and GAP itself sits in between with American casual staples. Looking for smart clothes at GAP itself can lead to a mismatch, so choosing the brand by purpose helps you avoid mistakes.

Can I go with my usual size?

GAP is a US brand that generally runs roomy and large, so your usual Japanese size may be too big. Keep in mind that one size smaller than usual may fit better, and always compare the size chart (garment measurements) with your own clothes in cm. Going by numbers rather than S/M/L labels is the reliable way.

GAP jeans sizing is confusing

Jeans are mostly sized by waist (W) × inseam (L) in inches, which is a different system from S/M/L for tops. Lengths often run long on the assumption you'll hem them, so knowing your actual inseam makes choosing easier. Fit names like "skinny" and "straight" also change how they feel a lot, so choose by size and fit name together.

What is the outlet-only line, and what should I watch out for?

These are products made for outlets, and they may differ in quality and specs from regular-store staples. Outlets let you try things on and always have discounts, but be aware that outlet-only lines are mixed in and check the product code and quality label so you know what you're buying. The official online store often has better stock and a wider range of sizes and colors.

How do I use double discounts with sale coupons?

At GAP, member coupons or promo codes can sometimes be applied on top of items already on sale. Coupons are sent out to registered members and via email, so for basics you're in no hurry for, buy once a coupon arrives. Official shops on online marketplaces add points on top, so compare the effective price: sale price minus points. Conditions change, so check each official site.

How do I stop cotton items from shrinking or losing shape?

GAP's core items are mostly cotton, and high dryer heat is often the main cause of shrinking and warping. Drying basics in the shade or air-drying is the safe choice. Allowing for a little shrinkage when choosing your size gives peace of mind. Wash dark denim inside out on its own, and fold heavy fleece-lined hoodies for storage to help them keep their shape.

Where's the best place to buy?

It depends on your goal. For stock and easy returns, the official online store; for points, GAP's official shop on the marketplace you normally use; to try things on before choosing, an outlet. No single place is always cheapest, so the right approach is to compare the effective price including discounts, points and shipping. Prices change over time, so please check current prices on each site.

Should I go one size down on GAP tops compared with Japanese brands?

Shoulder width and chest width often run larger than Japanese brands, so sizing down can work. But body length also gets shorter with each size, so going down may leave the top too short. Rather than relying on the size label, note the shoulder width, chest width and length of a top you own and compare those numbers with the measurements on the product page.

Are outlet and factory products the same as the staples sold in regular stores?

Not necessarily. Sometimes past-season items end up there, but they're often a separate line designed from the start for that price range, and the fabric weight, stitching or logo font can differ slightly. That doesn't mean lower quality; it's a different design, so if you expect the same feel as something you bought before, you may be disappointed.

Can I put GAP's 100% cotton T-shirts and sweatshirts in the dryer?

They will shrink. Some styles are cut long to allow for shrinkage and some aren't, so the safe approach is to air-dry the first time, check how the length and width change, and then decide how to handle it. Once shrunk by high heat, it won't go back, so be especially careful with pieces you love.

If a pair of jeans doesn't come in different lengths, can I just get them hemmed after buying?

That's fine. In fact, late in the sale there often aren't other lengths left, so planning to buy the longer pair and shorten it gives you more options. However, with heavily faded models, unless you choose a shop that offers original-hem finishing (cutting off the original hem and sewing it back on), the hem will show new, unfaded fabric and stand out.

Can I choose kids' sizes by the age label alone?

Age labels and letter sizes are used side by side, and even with the same age label, tops and bottoms can fit differently. Choosing by age alone often leaves sleeves too long or means the clothes are outgrown within one season. You'll get it right more often by checking a chart that lists height and chest measurements and comparing it with the clothes your child wears now.

Which items are usually excluded from coupons?

Brand-new arrivals, collaborations, some core denim and items that are already marked down tend to be excluded. Conditions change with each promotion, so decide in advance what you'll do if the coupon doesn't work at checkout (pick another style or wait), so you don't just confirm the order on impulse.

* This article is for reference only. Sale dates, point rates and campaign terms can change, so check each store's official page for the latest details.