1,100+ results
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- Gap Kids Boys Size XSmall 4/5 Mesh Lined Blue Brown Floral Swim Trunks ShortsOpens in a new window or tabPre-Owned$7.99Was: $9.9920% offor Best Offer+$7.99 deliveryFree returnsExtra 15% off with couponTop Rated Plus
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- TYR Boys' Durafast ONE Jammer Swimsuit, Black, 26 XSOpens in a new window or tabNew (Other)$27.91Was: $34.8920% offBuy It NowFree deliveryFree returnsTop Rated Plus
- Vintage Size Boys Flarico Swim Athletic Supporter Boys Size X-Small From 1970sOpens in a new window or tabBrand New$19.95Buy It Now+$4.95 delivery
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- Vintage Size Boys Flarico Swim Athletic Supporter Boys Size X-Small From 1970sOpens in a new window or tabBrand New$18.95Buy It Now+$4.95 delivery
- Patagonia Swim Suit Boys XS Youth 24" waist 5" inseam Elastic NAVY BLUE ShortsOpens in a new window or tabPre-Owned$12.95or Best Offer+$6.57 deliveryExtra 15% off with coupon
Picked For You
Top selling items from trusted sellers | Sponsored- TYR Boys' Durafast ONE Jammer Swimsuit, Black, 26 XSOpens in a new window or tab$27.91shoppermaxx (15,656) 99.8%
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- Speedo Boys 2pk Swim Tee Short Sleeve new with tagsOpens in a new window or tab$15.30thebestforless75 (4,893) 100%
- Adidas Supernova Recreational Swim Shorts Boys X-Small Ocean Blue, Deep BlueOpens in a new window or tab$29.99ezshipshp (1,376) 98.3%
- Sonic The Hedgehog Swimsuit XS Boys NewOpens in a new window or tab$12.60forgottenape (37,922) 99.6%
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- Disney Cars Boys Swim Trunks Lightning McQueen Swim Shorts Pixar Size XS 4/5 NWTOpens in a new window or tabBrand New$19.99or Best Offer+$6.20 delivery
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- Abercrombie & Fitch Board Shorts Youth Boys Extra Small Striped Black BeachOpens in a new window or tabPre-Owned$15.82Was: $19.7720% offor Best Offer+$7.45 deliveryFree returns
- Outdoor Oasis Swim Trunks Size XS (6/7)Opens in a new window or tabBrand New$20.00or Best Offer+$4.00 deliveryFree returnsTop Rated Plus
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- Lilly Pulitzer Boys Size Toddler 3-4 Junior Capri Swim Trunks Bathing SuitOpens in a new window or tabPre-Owned$19.95Buy It NowFree delivery
- Nike Swoosh Swim Shorts Trunks NESSB-451-001 Black / Gray Size XS NWTOpens in a new window or tabBrand New$25.00or Best Offer+$6.40 delivery
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From our popular brands
Based on number of views and purchases | Sponsored- GapGap Kids Boys Size XSmall 4/5 Mesh Lined Blue Brown Floral Swim Trunks ShortsOpens in a new window or tabPre-Owned$7.99+$7.99 deliveryExtra 15% off with coupon
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- HurleyHurley Board Shorts Boys Size XS 21x6 Floral Print BlackOpens in a new window or tabPre-Owned$11.10Free delivery
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- SpeedoSpeedo Boys 2pk Swim Tee Short Sleeve new with tagsOpens in a new window or tabNew (Other)$15.30Free delivery
- TrunksBuc-ees Youth Xs Lined Polyester Shorts Swim Trunks BuceesOpens in a new window or tabPre-Owned$9.29+$4.84 delivery
- DisneyNEW Disney Mickey Mouse Boys Board Swim Shorts Size XSOpens in a new window or tabBrand New$18.84+$24.75 delivery
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- Lilly Pulitzer Toddler Boys Swim Shorts New XSOpens in a new window or tabBrand New$40.00or Best Offer+$4.84 delivery
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- Sonic The Hedgehog Swim Trunks Boys Size XS 4/5Opens in a new window or tabPre-Owned$6.99or Best Offer+$4.84 delivery
- FINA APPROVED YINGFA 9205 MEN'S BOY'S COMPETITION JAMMER SWIMMING TRUNK ALL SIZEOpens in a new window or tabBrand New$29.99Buy It NowFree deliveryfrom China
- Vintage Pro Spirit Kids Swim Trunks 90s Style Size XS 4-5Opens in a new window or tabPre-Owned$14.00or Best Offer+$4.84 delivery
- Hurley Board Shorts Boys Size XS 21x6 Floral Print BlackOpens in a new window or tabPre-Owned$11.10Buy It NowFree deliveryFree returns
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- Member's Mark Boy's 4-Way Stretch Quick Dry Resort Swim Trunk Shark Galore XSOpens in a new window or tabBrand New$10.79Was: $11.9910% offBuy It NowFree delivery in 2-4 days
- The Child Boys Baby Yoda Swim Trunks Swimsuit Star Wars Mandalorian Size XSOpens in a new window or tabPre-Owned$6.00or Best Offer+$5.31 delivery
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- Speedo swim trunks boys Shark Blue Yellow XSOpens in a new window or tabPre-Owned$5.60or Best Offer+$4.33 delivery
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- Columbia Boys' XS 6/7 PFG Backcast Short Black Omni-Shade UPF 50 NewOpens in a new window or tabBrand New$14.99or Best Offer+$5.75 delivery
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- BOYS JOE BOXER SWIM TRUNKS BOARD SHORTS BLACK & Green XS 4-5Opens in a new window or tabPre-Owned$1.000 bids · Time left2d 14h+$4.84 delivery
- Sz 4-16 Boys Baby Yoda Swim Trunks Shorts Swimsuit Star Wars Mandalorian GroguOpens in a new window or tabBrand New$24.50 to $26.50Buy It Now+$4.95 delivery
- Nike Swim Jammer Shorts Boys Youth Techno Camo Swimwear Bottoms TESS0041Opens in a new window or tabBrand New$19.99Buy It NowFree deliveryFree returnsTop Rated Plus
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- Art Class Toddlers Salmon Drawstring Lined Swim Trucks Size XS 4-5Opens in a new window or tabPre-Owned$5.00or Best Offer+$5.00 delivery
- Batman DC Comics Swim Trunks Kids Size XS Blue Black Yellow Elastic WaistOpens in a new window or tabNew (Other)$7.00Was: $10.0030% offBuy It Now+$5.70 delivery
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- New U.S. Polo Assn. Boys Red Swim Shorts Trunks Pockets Sz 4-5 XS (U16)Opens in a new window or tabBrand New$12.99Buy It NowFree deliveryLast one
- Boys Size XS 4-5 Wonder Nation Gradient Check Swim Trunks Board Shorts Quick DryOpens in a new window or tabBrand New$15.00or Best OfferFree deliveryFree returnsTop Rated Plus
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- Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Afternoon Pink Size XS (5-6)Opens in a new window or tabBrand New$44.00or Best Offer+$5.89 deliveryExtra 23% off
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- NWT Lands’ End Boys Swim Trunks Swim Bottoms Size X-Small (4-5) Quick Dry NWTOpens in a new window or tabBrand New$15.00Buy It Now+$6.59 delivery
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- Speedo Boys Swim Rash Guard Neon Green UV Block Burn Sz XSOpens in a new window or tabPre-Owned$9.99or Best Offer+$4.84 delivery
- Nike Swim Trunks Boys XS *estimated* Light Blue Brief LinedOpens in a new window or tabPre-Owned$12.00Buy It Now+$4.99 deliveryFree returnsTop Rated Plus
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