759 results
- Gap Kids Boys Size XSmall 4/5 Mesh Lined Blue Brown Floral Swim Trunks ShortsOpens in a new window or tabPre-Owned$9.99or Best Offer+$7.99 delivery in 2-4 daysFree returnsExtra 15% off with couponTop Rated Plus
- Lands End Printed Volley Shark Swim Trunks Boys' Size XS Blue & Black NWOT!Opens in a new window or tabNew (Other)$17.99Was: $19.9910% offBuy It Now+$6.50 delivery
- NWOT Y2K Orange County Choppers Boys Swim Trunks Sz XS Blue Black Flames MotoOpens in a new window or tabNew (Other)$19.95or Best Offer+$4.71 delivery
- Cherokee Boy's Blue Swim Trunks Size XS (4-5)Opens in a new window or tabPre-Owned$9.99or Best Offer+$5.95 deliveryFree returns
- Member's Mark Boy's 4-Way Stretch Quick Dry Resort Swim TrunkOpens in a new window or tabBrand New$10.99List price: $30.0063% offBuy It NowFree delivery in 2-4 daysFree returnsSave up to 30% when you buy more
- Member's Mark 2-Piece Family Swim Boy's Rashguard & Swim Trunk SetOpens in a new window or tabBrand New$12.99List price: $24.0046% offBuy It NowFree delivery in 2-4 daysFree returnsSave up to 30% when you buy more
- Patagonia Kids Youth Baggies Nylon Pull On Swim Shorts 7" Lined Size XS 5-6Opens in a new window or tabBrand New$20.00Buy It Now+$10.00 delivery
- Patagonia Board Teal Shorts SZ XS Swim truck Waist 24 in StretchOpens in a new window or tabPre-Owned$15.55Buy It Now+$7.00 delivery
Picked For You
Top selling items from trusted sellers | Sponsored- DSG Woven Training Shorts Volley Navy Blue Red Striped Boys Size XS (6-7) NWTOpens in a new window or tab$13.95barterpost_llc (1,752) 100%
- WWE Wrestling Swim Shorts Trunks Boys XS Summer Beach Vacation CruiseOpens in a new window or tab$21.69connectedthreads (1,966) 99.6%
- Jurassic Park Dinosaur T-Rex Swim Trunks Hidden Drawstring Purple Green Black XSOpens in a new window or tab$11.88jenifergreatfinds (4,595) 98.4%Extra 25% off with coupon
- Member's Mark Boy's 4-Way Stretch Quick Dry Resort Swim TrunkOpens in a new window or tab$10.99ewirelessgear (169,563) 99.7%Save up to 30% when you buy more
- All In Motion Boys' XS 4/5 Blue & Teal Tropical Geo Print Hybrid Board ShortsOpens in a new window or tab$13.45theluckyfin1 (36,802) 99.6%Save up to 20% when you buy more
- Member's Mark Kids Swim Robe XS 4/5Opens in a new window or tab$15.99titan27279 (6,371) 99.8%
- Adidas Supernova Recreational Swim Shorts Boys X-Small Ocean Blue, Deep BlueOpens in a new window or tab$29.99ezshipshp (1,390) 98.3%
- Member's Mark Boys Resort Built-In Liner Swim Trunk (Light Blue, XS (4/5))Opens in a new window or tab$12.99ewirelessgear (169,563) 99.7%
- Patagonia Kids Baggies Shorts Swimming Shorts Boy’s Galapagos Size XSOpens in a new window or tabPre-Owned$11.00Buy It Now+$8.84 delivery
- Chubbies Youth The Apex XS 6/7 Shark Bathing Suit Swim TrunksOpens in a new window or tabNew (Other)$21.99or Best Offer+$6.99 delivery
- Gap Boys Swim Outfit Shirt Rashguard & Swim Trunks Shorts Blue Size XS 4/5 EUCOpens in a new window or tabPre-Owned$15.00Buy It Now+$7.00 delivery
- Chubbies Youth The Domingos are for Flamingos XS 6/7 Bathing Suit Swim TrunksOpens in a new window or tabBrand New$21.99or Best Offer+$6.99 delivery
- Lilly Pulitzer Boys Capri Swim Trunks Pink Blue White Lavender Size XSOpens in a new window or tabPre-Owned$22.99or Best Offer+$5.99 delivery
- Boy’s Shaun White Blue And Orange Ombré Swim Shorts Size XSOpens in a new window or tabPre-Owned$12.00Was: $30.0060% offor Best Offer+$7.00 delivery
- Kids Spiderman Swim Trunks Size XSOpens in a new window or tabPre-Owned$6.99Buy It Now+$6.55 delivery
- Old Navy Rainbow Striped Swim Trunks Boy Size XSOpens in a new window or tabPre-Owned$19.99or Best Offer+$8.99 delivery
- Chubbies Youth The Statesides XS 6/7 Bathing Suit Swim Trunks Shorts Lined USAOpens in a new window or tabBrand New$21.99or Best Offer+$6.99 delivery
- Wonder Nation Boys Quick Dry Swim Trunks 3 Pocket Tropical Shorts XS (4-5)Opens in a new window or tabBrand New$6.99Buy It Now+$5.40 delivery
- Chubbies Youth Havana Nights XS 6/7 Bathing Suit Swim Trunks Palm Trees LinedOpens in a new window or tabNew (Other)$21.99or Best Offer+$6.99 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 delivery
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$9.99+$7.99 deliveryExtra 15% off with coupon
- VilebrequinVilebrequin Boys Tropical Print Swim Shorts Trunks ~ 4/5Opens in a new window or tabPre-Owned$38.00+$4.84 delivery
- HurleyBoy's Youth Hurley Elastic Waist Swimsuit Swim NEWOpens in a new window or tabBrand New$17.99Free delivery
- GapBoys 4-5 Swimsuit Swim Trunks Shorts GAP Star Wars Kids XS Navy Blue GrayOpens in a new window or tabPre-Owned$20.20Free delivery
- DisneyCars 3 ~ Disney/Pixar Characters Little Boys Swim Shorts Size XS 4/5Opens in a new window or tabPre-Owned$12.95+$4.00 delivery
- NikeNike Swim Trunks Boys XS *estimated* Light Blue Brief LinedOpens in a new window or tabPre-Owned$3.60+$4.99 delivery
- TrunksBuc-ees Youth Xs Lined Polyester Shorts Swim Trunks BuceesOpens in a new window or tabPre-Owned$9.29+$4.84 delivery
- DisneySTAR WARS BOYS SWIMMING TRUNKS UPF 50 SIZE XS 4-5 POOL BEACH SHORTS VACATIONOpens in a new window or tabNew (Other)$15.99+$2.99 delivery
- SpeedoNWT Speedo Boys Swim Trunk Knee Length Red White Blue XSOpens in a new window or tabBrand New$15.00+$7.35 delivery
- SpeedoNWT Speedo Boys Blue Short Sleeve Swim Rash Guard Shirt Size XSOpens in a new window or tabBrand New$16.19+$4.84 delivery
- 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
- Boy’s Salt Life SLX-QD Vapor Strength Blue Camo Board Shorts Size XSOpens in a new window or tabPre-Owned$14.45Was: $17.0015% offor Best Offer+$7.55 deliveryFree returnsTop Rated Plus
- Harry Potter Swim Trunks Shorts Boy Size xsOpens in a new window or tabPre-Owned$25.00or Best Offer+$4.84 delivery
- $59 NWT Southern Tide Youth Boys Mostera Palm Swim Trunk Shorts Size XSOpens in a new window or tabBrand New$14.99Buy It Now+$3.95 delivery
- Lands’ End Boys Size XS (4-5) Tropical Swim TrunksOpens in a new window or tabPre-Owned$3.000 bids · Time left1h 30m$5.00Buy It Now+$4.51 delivery
- Old Navy Boys Black Swim Trunks Size 5 (XS)Opens in a new window or tabPre-Owned$6.00Buy It Now+$4.51 delivery
- Boys 4-5 Swimsuit Swim Trunks Shorts GAP Star Wars Kids XS Navy Blue GrayOpens in a new window or tabPre-Owned$20.20or Best OfferFree 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 Now+$14.00 deliveryfrom China
- Vilebrequin Boys Tropical Print Swim Shorts Trunks ~ 4/5Opens in a new window or tabPre-Owned$38.00or Best Offer+$4.84 delivery
- Boy's Youth Hurley Elastic Waist Swimsuit Swim NEWOpens in a new window or tabBrand New$17.99Buy It NowFree delivery in 2-4 daysFree returnsTop Rated Plus
- OP Ocean Pacific Board Shorts Boys Size XS Swim Shorts Blue White LinedOpens in a new window or tabPre-Owned$10.00or Best Offer+$5.99 deliveryFree returnsTop Rated Plus
- NWT Wonder Nation Boy Shark Swim Trunks Set UPF 50+ Blue many sizesOpens in a new window or tabBrand New$13.95Was: $15.5010% offBuy It NowFree delivery
- NEW Lands’ End Boys Rash Guard Swim Shirt X-Small (4/5) UV 50 Long Sleeve NWTOpens in a new window or tabBrand New$15.99Buy It Now+$6.49 delivery
- NWT PSYCHO BUNNY Kids Barker All Over Print Swim Trunk 5/6 XS Cool BlueOpens in a new window or tabBrand New$60.00or Best Offer+$6.99 delivery
- DSG Woven Training Shorts Volley Navy Blue Red Striped Boys Size XS (6-7) NWTOpens in a new window or tabBrand New$13.95or Best OfferFree delivery
- Lilly Pulitzer Toddler Boys Swim Shorts New XSOpens in a new window or tabBrand New$40.00or Best Offer+$4.84 delivery
- Sonic The Hedgehog Swimsuit XS Boys NewOpens in a new window or tabNew (Other)$12.60Was: $14.0010% offBuy It NowFree deliveryFree returnsTop Rated Plus
- 🎉NEW🎉 Boys Size XS (6-7) Nike Ticker Tape Volley Swim TrunksOpens in a new window or tabBrand New$19.99or Best Offer+$4.84 delivery
- There Abouts Swim Trunks Size XS 6/7Opens in a new window or tabBrand New$18.00or Best Offer+$4.00 deliveryFree returnsTop Rated Plus
- Cars 3 ~ Disney/Pixar Characters Little Boys Swim Shorts Size XS 4/5Opens in a new window or tabPre-Owned$12.95Buy It Now+$4.00 deliveryFree returnsTop Rated Plus
- NWT Old Navy Boys Swim Trunks swimsuit Shorts fish XSOpens in a new window or tabBrand New$7.00or Best Offer+$5.50 delivery
- NWT *GAP* Boys SS Swim Rashguard Navy Blue Waves *size XS 4-5*Opens in a new window or tabBrand New$10.99Buy It Now+$4.51 delivery
- NWT Gap Boy's 6" Recycled Swim Trunks Colorblock Swim Shorts Sz XS, S, XL, XXLOpens in a new window or tabBrand New$13.50Buy It Now+$5.50 delivery
- 4-14 Sonic the Hedgehog Rash Guard Swim Shirt Swimsuit Boys (matches swim trunksOpens in a new window or tabBrand New$22.47Was: $23.906% offBuy It Now+$4.95 delivery
- BRAND NEW BOYS SIZE X-SMALL 4-5 WONDER NATION 4 WAY STRETCH SWIM TRUNKSOpens in a new window or tabBrand New$7.99Buy It NowFree delivery
- Gap Kids Blue Octopus Print Beach Summer Outdoor Swim Suit Swim TrunksOpens in a new window or tabPre-Owned$14.99or Best Offer+$5.99 delivery
- Boys' Solid Swim Trunks - art class Light Blue XS 4/5Opens in a new window or tabBrand New$8.50Was: $10.0015% offBuy It NowFree deliveryFree returnsTop Rated Plus
- Stormtrooper Swimsuit Youth Size XS Adaptable Hook And Loop Closure UPF 50+Opens in a new window or tabBrand New$14.95or Best Offer+$5.99 delivery in 2-4 days
- 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
- Old Navy Kid Boys Color-Blocked Swim Trunks Size XS Small Medium Large XLOpens in a new window or tabBrand New$10.39Was: $12.9920% offBuy It Now+$5.03 delivery in 2-4 daysSave up to 20% when you buy more
- Star Wars The Mandalorian Boys' Baby Yoda Swim Short Size XS(4-5)/ NewOpens in a new window or tabBrand New$7.00Was: $10.0030% offBuy It Now+$5.24 deliveryExtra 10% off with coupon
- Land's End Tie Dye Boys Rash Guard XSOpens in a new window or tabPre-Owned$10.00or Best Offer+$6.40 delivery
- Buc-ees Youth Xs Lined Polyester Shorts Swim Trunks BuceesOpens in a new window or tabPre-Owned$9.29or Best Offer+$4.84 delivery
- Boys Columbia Fishing Swim PFG Shirt LOT SIZE XS 6/7 PFG Omni-ShadeOpens in a new window or tabPre-Owned$35.00or Best Offer+$12.71 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
- Boys Lot of 3 Swim Shorts Cat & Jack All in Motion Size XS (4-5)Opens in a new window or tabBrand New$19.99or Best Offer+$5.99 delivery
- Vineyard Vines Swim Shorts Size XS Men's Aqua Blue TrunkOpens in a new window or tabPre-Owned$19.99Buy It Now+$5.95 delivery
- Hot Wheels Swim Trunk Short Boys XS Blue Drawstring Speed Demons Graphic PrintOpens in a new window or tabPre-Owned$8.99Was: $14.9940% offor Best Offer+$5.99 delivery
- Cat & Jack Swim Trunks Boys Size XS 4-5 Stripe Lined BlueOpens in a new window or tabPre-Owned$4.05Was: $5.7930% offor Best Offer+$5.85 deliveryFree returnsTop Rated Plus
- Lilly Pulitzer boys swim trunks XS in celestial seas starfish printOpens in a new window or tabPre-Owned$33.77Buy It Now+$4.84 delivery
- BOYS CAT & JACK LONG SLEEVE SWIM SHIRT XS(4/5)Opens in a new window or tabPre-Owned$0.990 bids · Time left8d 16hor Best Offer+$5.95 delivery
- Cat & Jack Swim Trunks Dinosaur Print Swim Shorts with Mesh Lining XS SummerOpens in a new window or tabPre-Owned$7.88or Best Offer+$4.84 delivery
- Crewcuts Blue Swim Top T-Shirt Rashguard UPF 50+ Boys XSOpens in a new window or tabPre-Owned$10.99or Best Offer+$4.33 delivery
- Boys' Ombre Zebra Striped Swim Shorts - art classâ„¢ Blue NWTOpens in a new window or tabBrand New$9.99Buy It Now+$4.84 delivery
- Tylers Youth XSmall Classic Swim Trunks Dinosaur Surfer SummerOpens in a new window or tabPre-Owned$19.60or Best Offer+$7.25 delivery
- NWT Wonder Nation Boy Rash Guard Shirt Top Shark many sizesOpens in a new window or tabBrand New$15.92Was: $17.6910% offBuy It NowFree delivery
- Vilebrequin Boys Blue Swim Trunks Sz XSOpens in a new window or tabPre-Owned$40.00or Best Offer+$4.84 delivery
- Speedo swim trunks boys Shark Blue Yellow XSOpens in a new window or tabPre-Owned$5.60or Best Offer+$4.33 delivery
- Vintage Harley Davidson Swim Trunks Boys XS 4/5Opens in a new window or tabPre-Owned$24.99Buy It Now+$4.84 delivery
- Quiksilver Swim Trunk Board Shorts Elastic Waist Drawstring Netted Size XS (5/6)Opens in a new window or tabPre-Owned$10.00or Best Offer+$5.85 delivery
- Lilly Pulitzer Boy's Blue Swim Trunks Shorts Size XSOpens in a new window or tabPre-Owned$15.99Buy It Now+$4.49 delivery in 2-4 days
- Nike Swim Trunks Boys XS *estimated* Light Blue Brief LinedOpens in a new window or tabPre-Owned$3.60Was: $12.0070% offBuy It Now+$4.99 deliveryFree returnsTop Rated Plus
- Turles & Tee kids shorts XS Blue swim Junior Activewear Navy 4TOpens in a new window or tabBrand New$15.00or Best Offer+$4.95 delivery in 2-4 days
- Items Per Page
