Product note · Japan × US49.6% cheaper in Japan

Is Boys' AIRism Briefs, 3-Pack cheaper in Japan? the US vs Japan, a US$6.40 gap | 2026 price check

Cheaper in Japan by US$6.40 (49.6%): Japan ¥990 ≈ US$6.50, the US US$12.90.

Prices checkedFX · JPY/USD 0.006564 (JPY/TWD 0.2076 ÷ USD/TWD 31.625)Method

01 · Verdict

49.6% cheaper in Japan
Japan list price
¥990incl. tax · 61 BLUE 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$12.90excl. tax · official list price · In stock
cheaper in Japan
US$6.4049.6% · US list price as denominator
Japan convertedUS$6.50
US list priceUS$12.90
Note

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.

02

Japan vs US price table

Boys' AIRism Briefs, 3-Pack · 商品編號 478657|日本品名 BOYS エアリズムボクサーブリーフ/3枚組/前閉じ|61 BLUE
MarketList priceSource · checkedTax basis · stock
Japan61 BLUE official online store, list price incl. tax¥990UNIQLO Japan official online store ↗incl. taxIn stock
USofficial list priceUS$12.90UNIQLO US official online store ↗excl. taxIn stock
Japan convertedJPY/USD 0.006564 (JPY/TWD 0.2076 ÷ USD/TWD 31.625)US$6.50Bank of Taiwan rate ↗Spot sellingNot a card or cash rate
Gapcheaper in JapanUS$6.4049.6%US list price as denominatorExtra fees not includedCard fee, shipping and tax-free extra

To use your own FX, fees and shipping, open the Price calculator.

03

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$290. 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$6.30.
  • Break-even rate 0.0130 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).
04

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 ↗61 BLUE 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. 478657; Japan color 61 BLUE; Japan sizes 100 (ages 3-4)/110 (ages 4-5)/120 (ages 6-7)/130 (ages 8-9)/140 (ages 10-11)/150 (ages 12-13)/160 (age 14); Taiwan sizes 100cm/110cm/120cm/130cm/140cm/150cm/160cm; Taiwan page color swatches 478657/58 DARK GREEN/481967/58 DARK GREEN/481967/61 BLUE; Japan page material This item ships with one of the following fabric compositions at random; you cannot choose which one.<br>478657, 481967: body: 91% polyester, 9% spandex (91% recycled polyester fiber used)/waist part: 48% nylon, 42% polyester, 10% spandex<br>485392: body: 91% polyester, 9% spandex (91% recycled polyester fiber used)/waist part: 50% nylon, 42% polyester, 8% spandex; Taiwan page material body: 91% polyester (recycled polyester), 9% spandex/waist: 48% nylon, 42% polyester, 10% spandexThis style's primary item no. on the Taiwan site is 481967, which differs from Japan's 478657, 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. 478657 listed alongside it on the page for productCode u0000000052947. The Taiwan page's primary item no. is 481967, the title also lists the Japan item no. 478657, and the colour swatches include 「478657 / 58 DARK GREEN」. The Japan product page's material field also states 「478657, 481967」as different lots of the same composition. Both regions are a 3-piece set, sized 100–160cm. Because the primary item numbers differ, this is conservatively logged as the same specification. US price 2026-09-18: US details API E478657-000 AIRism Boxer Briefs | 3 Pairs base $12.9 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.
READ NEXT

Keep reading