TravPriceProduct note · Japan × US56.4% cheaper in Japan
Is Men's AIRism Briefs cheaper in Japan? the US vs Japan, a US$8.40 gap | 2026 price check
Cheaper in Japan by US$8.40 (56.4%): Japan ¥990 ≈ US$6.50, the US US$14.90.
01 · Verdict
56.4% cheaper in Japan- Japan list price
- ¥990incl. tax · 09 BLACK official online store, list price incl. tax · In stock
- Converted US currency
- ≈ US$6.50JPY/USD 0.006564 · Bank of Taiwan board
- US list price
- US$14.90excl. tax · official list price · In stock
- cheaper in Japan
- US$8.4056.4% · US list price as denominator
US stickers exclude state and local tax; Japan stickers include tax. The bases differ, so this is not a landed cost.
Japanincl. tax、the USexcl. tax; where the tax basis differs, only the list prices are compared; a comparison of two named sources’ list prices, before card fees, shipping and tax refunds. Checked 2026-09-18. Before you order, use theJapan source page and the US source pagecurrent prices.
Japan vs US price table
| Market | List price | Source · checked | Tax basis · stock |
|---|---|---|---|
| Japan09 BLACK official online store, list price incl. tax | ¥990 | UNIQLO Japan official online store ↗ | incl. taxIn stock |
| USofficial list price | US$14.90 | UNIQLO US official online store ↗ | excl. taxIn stock |
| Japan convertedJPY/USD 0.006564 (JPY/TWD 0.2076 ÷ USD/TWD 31.625) | US$6.50 | Bank of Taiwan rate ↗ | Spot sellingNot a card or cash rate |
| Gapcheaper in Japan | US$8.40 | 56.4%US list price as denominator | Extra fees not includedCard fee, shipping and tax-free extra |
To use your own FX, fees and shipping, open the Price calculator.
Is it worth buying in Japan?
Comparing prices for the same item number on UNIQLO's official online stores in both markets: Japan ¥990, Taiwan NT$390. Taiwan offers free store pickup, plus free home delivery on orders over NT$1,500; Japan shipping, tax refunds, and card fees are not included.
- With a 1.5% foreign card fee: Japan comes to about US$6.60, still below the US by US$8.30.
- Break-even rate 0.0151 USD/JPY: above it the the US sticker is the cheaper one (this check used 0.0066, cross-converted from the Bank of Taiwan yen and dollar rates).
Before you buy
- Confirm the item number, color code, and size; color, size, and web-exclusive size availability may differ between the two markets.
- Both the Taiwan special price and the Japan limited-time price have an expiry; go by the official page's listed price and stock on the day of purchase.
- The Taiwan page does not state whether tax is included.
05 · Sources
Each price keeps its source link, price kind, tax basis and check date, and is calculated with the TravPrice comparison method. If a price or model is wrong, check the source page and report it.
- Japan price
- UNIQLO Japan official online store ↗09 BLACK official online store, list price incl. tax · incl. tax · In stock · checked 2026-09-15
- US price
- UNIQLO US official online store ↗official list price · excl. tax · In stock · checked 2026-09-18
- FX
- Bank of Taiwan FX ↗Bank of Taiwan spot selling reference rate; the US dollar is cross-converted · JPY/USD 0.006564 (JPY/TWD 0.2076 ÷ USD/TWD 31.625) · 2026-09-10 23:22:00 (Taiwan time)
- Model match
- Item No. 454326; Japan color 09 BLACK; Japan sizes S/M/L/XL/XXL/3XL/4XL; Taiwan sizes S/M/L/XL/XXL/3XL; Taiwan page color swatches 482536/05 GRAY/482536/09 BLACK/482536/38 DARK BROWN/482536/66 BLUE/482536/69 NAVY; Japan page material body: 88% polyester, 12% spandex (54% recycled polyester fiber used)/waist part: 90% nylon, 10% spandex; Taiwan page material body: 54% polyester (recycled), 34% polyester, 12% spandex/waist: 90% nylon, 10% spandexThis style's primary item no. on the Taiwan site is 482536, which differs from Japan's 454326, so searching the Taiwan site by the Japan item no. will always return no results; this pass instead indexed the whole site via the official sitemap and found the Japan item no. 454326 listed alongside it on the page for productCode u0000000053141. The product name matches, and the material is exactly the same (main fabric 88% polyester / 12% spandex, 54% of which is recycled polyester; waistband 90/10 nylon). The Taiwan colour swatches include the Japan verified colour 09 BLACK. Japan also offers a 4XL size. US price 2026-09-18: US details API E454326-000 AIRism Boxer Briefs base $14.9 tax EXCLUSIVE
- Official product page
- Brand product page ↗Product images on this site are redrawn illustrations; use the official page for appearance, extras and packaging.
- This page generated
- Generated from the same checked data; it is recalculated when the data updates.
Keep reading
UNIQLO: 357 Japan–Taiwan matches, 90% of items cheaper in Japan
We compare 357 verified same-product prices: 323 cost less in Japan and 34 cost less in Taiwan. Median Japan savings are 21.4%; UNIQLO Men's Windproof Seamless Down Hooded Jacket has the largest cash gap at NT$897.
02Product detailSee the full comparison for this product
Sources, FX and extra-cost estimates.
03Same-category comparisonUNIQLO Men's AIRism Cotton Mesh Polo Shirt (Short Sleeve)
Item No. 475367; unisex; color 00 WHITE; Japan sizes XS/S/M/L/XL/XXL/3XL/4XL; Taiwan sizes XS/S/M/L/XL/XXL/3XL/4XL; Japan page material, body: 57% cotton, 43% nylon; ribbing: 73% polyester, 27% rayon. Taiwan page material for item code 475367, body: 57% cotton, 43% nylon; ribbing: 73% polyester, 27% rayon. The Taiwan page also lists older-batch item code 465196, body: 57% cotton, 43% nylon; ribbing: 73% polyester, 27% cotton
04Same-category comparisonUNIQLO Baby/Toddler AIRism Cropped Leggings (Ribbed)
Item No. 481780; baby/toddler; color 09 BLACK; Japan sizes 80 (18 mo)/90 (24 mo)/100 (ages 3-4)/110 (ages 4-5)/120 (ages 6-7); Taiwan sizes 80cm/90cm/100cm/110cm; Japan page material 51% cotton, 40% polyester, 9% spandex (40% recycled polyester fiber used); Taiwan page material 51% cotton, 40% polyester (recycled polyester), 9% spandex