Sexiest and Most Comfortable Mens String Bikini Underwear Swimwear Brand in Taiwan, Designed and Made in Taiwan

iSwimFashion 2025 Summer Presents (Apr 1 ~ May 31) - Enjoy a gift s4004-S1 one-string gstring swimwear for mens underwear and swimwear orders reach NT$3888. 2025迎夏禮物 (4月1日至5月31日)：iSwim 男性內褲泳褲訂單滿3888享贈品s4004-S1單線丁字泳褲一件（價值660元）
iSwim Fashion - Sexiest & Most comfortable mens string bikini underwear swimwear brand in Taiwan, Original design, Semi-custom, Artisanship, Handmade
Join as a Premium Member, enjoy more benifits and discounts. 歡迎加入Premium會員，享有更多優惠。
Y-back The Best Sleek Mens Sexy Thong, Y丁-最俐落剪裁舒適又性感的男用丁字褲，健身運動不卡屁屁，不只性感、我們更在意日常的舒適
We delivery worldwide more than 60 countries, 台灣最性感又舒適的手工性感內褲半客制化訂製，全球配送超過60國
享受性感每一天 讓幸福發生！Enjoy sexy everyday, make happiness happen

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New Styles

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Sexy bulging shaft bikini underwear SALE

Sexy bulging shaft bikini underwear

25u1047-F2

4D bulge string thong underwear (V-string) SALE

4D bulge string thong underwear (V-string)

25u3028-V1

Magic bulge string thong underwear (V-string) SALE

Magic bulge string thong underwear (V-string)

25u3009-V1

Mini narrow bulge double loop V-string thong

Mini narrow bulge double loop V-string thong

25u4082-M8

Sling bulge double loop G-string thong

Sling bulge double loop G-string thong

25u4076-M0

Snug lifting bulge thong swimwear (Y-back)

Snug lifting bulge thong swimwear (Y-back)

24s1023-Y2

Snug lifting bulge brazilian swimwear

Snug lifting bulge brazilian swimwear

24s1023-H2

Mini round pouch one-string g-string (CMB)

Mini round pouch one-string g-string (CMB)

24u4086-S1

ROCK bulge color matching brazilian underwear

ROCK bulge color matching brazilian underwear

24u4075-H1

ROCK bulge color matching bikini underwear

ROCK bulge color matching bikini underwear

24u4075-F1

UNISEX lace string brazilian underwear

UNISEX lace string brazilian underwear

24u4079

Glory hole bodysuit thong leotard

Glory hole bodysuit thong leotard

24u8014

Every man thonger need one sleek Y-back thong, 每一位愛好丁字褲的男性, 都應該要有一件俐落的Y型丁字褲

Best Choice

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4D bulge string thong underwear (V-string) SALE

4D bulge string thong underwear (V-string)

25u3028-V1

Narrow NUDIST bulge thong swimwear (Y-back)

Narrow NUDIST bulge thong swimwear (Y-back)

24s1035-Y1

Sway bulge V2 string thong underwear (T-back)

Sway bulge V2 string thong underwear (T-back)

23u3036-T1

NUDIST bulge one-string jockstrap thong (2 ways to wear)

NUDIST bulge one-string jockstrap thong (2 ways to wear)

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One-piece NUDIST bulge thong briefs (8mm string T-back)

One-piece NUDIST bulge thong briefs (8mm string T-back)

21u4047-T0

Swing bulge sexy slingshot thong SALE

Swing bulge sexy slingshot thong

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Cock ring enhancing magic bulge thong (Y-back)

Cock ring enhancing magic bulge thong (Y-back)

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Smooth lifting pouch bikini (3/4 back)

Smooth lifting pouch bikini (3/4 back)

20u1033-B1

Baseball pouch thong

Baseball pouch thong

18u1016-T1

Sway bulge thong

Sway bulge thong

17u1008-T1

rock pouch thong in ultra-thin TWT fabric

rock pouch thong in ultra-thin TWT fabric

17u1006-T1

Seamless swim bikini, unisex also

Seamless swim bikini, unisex also

13s302

u1008 Swing Bulge V-shape Mens Sexy Thong, 可晃動激凸囊袋V型男性感丁字褲Sexiest and Most Comfortable Y & V-back mens thong in Taiwan, 台灣最性感舒適的Y型、V型男丁字褲

Flash Sale

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Cozy U-Pouch thong (flat triangle g-string) SALE

Cozy U-Pouch thong (flat triangle g-string)

23u1065-E1

internally threaded circular barbell 4G (5 x 16mm) SALE

internally threaded circular barbell 4G (5 x 16mm)

PC-5x16x8

Sexy bulging shaft thong underwear (Y-back) SALE

Sexy bulging shaft thong underwear (Y-back)

25u1047-Y2

Magic bulge double loop V-string thong SALE

Magic bulge double loop V-string thong

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Smooth pouch sexy slingshot thong SALE

Smooth pouch sexy slingshot thong

20u4006

hlaf back swim bikini SALE

hlaf back swim bikini

11s063

piercing ring (8mm / cut 6mm) SALE

piercing ring (8mm / cut 6mm)

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Mini NUDIST bulge swim thong SALE

Mini NUDIST bulge swim thong

22s3008-T1

18mm thicken 3 layers cock ring 50mm SALE

18mm thicken 3 layers cock ring 50mm

cr020-50

Narrow straight pouch string bikini (full back) SALE

Narrow straight pouch string bikini (full back)

18u3012-F1

straight barbell 00G (10 x 25mm) SALE

straight barbell 00G (10 x 25mm)

PI-10x25x12

captive bead ring with pop fit ball (10mm) SALE

captive bead ring with pop fit ball (10mm)

PR-pop-10mm

The most comfortable and sexy mens Y-Thong in World, 最舒適又性感的Y型男丁字褲

Hot Styles

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Magic NUDIST bulge string thong

Magic NUDIST bulge string thong

23u3034-Y1

Mini round pouch one-string g-string (mesh)

Mini round pouch one-string g-string (mesh)

23u4086-S1

Rock bulge strings swim bikini (half-back) SALE

Rock bulge strings swim bikini (half-back)

22s5002-H1

Faucet pouch sexy thong

Faucet pouch sexy thong

22u1046-T2

Camel toe strings slingshot thong (limited) SALE

Camel toe strings slingshot thong (limited)

21u4065

Magic bulge thong in match color (Y-back)

Magic bulge thong in match color (Y-back)

21u1048-Y1

Mens sexy lace bulge thong

Mens sexy lace bulge thong

20u1052-T1

Lifting enlargement bulge swim bikini (3/4 back)

Lifting enlargement bulge swim bikini (3/4 back)

20s7001-B1

Magic bulge string thong (Y-back)

Magic bulge string thong (Y-back)

19u3009-Y1

Enhancer pouch swim bikini (wrinkle 3/4 back)

Enhancer pouch swim bikini (wrinkle 3/4 back)

18s1001-B5

Smooth pouch swim briefs with double line match color (half back)

Smooth pouch swim briefs with double line match color (half back)

13s146

Unisex mini capri brazilian underwear (tanga)

Unisex mini capri brazilian underwear (tanga)

12u321

The Tinest Sleek V-String Mens Thong, More comfortable and sexy than a g-string, 最舒適、最小的8mm細帶V弦丁字褲, 比G弦褲更性感
春季禮物（至2025-03-31）：訂單滿2888享一件贈品 u4024-S1 (面料顏色隨機，價值550元，恕不接受指定顏色)

Premium會員募集中：歡迎加入Premium立享85~88折優惠，讓您享更多優惠，推薦給經常購買同捆組的會員，詳情請見：Premium Membership

受COVID-19疫情影響，目前發往可通達國家之郵件，郵遞時效皆有所延誤，目前可收寄出口國際航空郵件（EMS、包裹及小包）僅 107個國家/地區。
iSwim Spring Presents (until 2025-03-31): Orders reach 2888 enjoy a free gift u4024-S1 (Fabric color is random, value 550TWD, Specified color is not available).

Premium members are being recruited, Welcome to join Premium and enjoy an immediate discount of 12~15%, to save more and more. Recommended to members who often purchase value packs, please see: Premium Membership

Due to the COVID-19 outbreak, airlines have suspended flights, Air Parcel/Packet or EMS service currently available to 107 destinations.
Front - Sway/Swing bulge slingshot sthong, Sexier and Comfortable, 極性感激凸吊帶男丁字褲，一件您必須收藏的男性丁字褲