328 results
- NEW Lot of 2 NIKE Athletic Shorts & Swim / Boardshorts Boy's Sz 4 NWTOpens in a new window or tabBrand New$12.99or Best Offer+$4.30 delivery
- Chubbies Kids Boys Gray Classic Dinosaur & Palm trees Swim Trunks 4Opens in a new window or tabPre-Owned$12.00or Best Offer+$6.30 delivery
- Polo By Ralph Lauren Kids Boys Adjustable Elastic Waist Lined Swim Trunks Sz 4Opens in a new window or tabPre-Owned$27.99or Best OfferFree deliveryFree returns
- Boys Baseball Pink Blue Ice Cream Drip Sprinkles Swim Lined Shorts Sz 4YOpens in a new window or tabNew (Other)$15.99Buy It Now+$6.55 delivery
- Boy's Nike 3 Brand Polyester Swim Shorts Swimsuit NEWOpens in a new window or tabBrand New$21.99Buy It NowFree delivery in 2-4 daysFree returns1+ watchersTop Rated Plus
- Little Boy's Youth Hurley 2 Piece UPF 50+ H2O Dri Swim Shirt Swim Trunks SetOpens in a new window or tabBrand New$24.99Buy It NowFree delivery in 2-4 daysFree returnsTop Rated Plus
- Minecraft ☆ Boys' Allover Character Swim Trunks ☆Sizes 4/5, 6/7, 8, 10/12, 14/16Opens in a new window or tabBrand New$17.95Buy It NowFree deliveryFree returns
- Youth Baseball Stars Boys Shorts / Swim Trunks Multiple SizesOpens in a new window or tabNew (Other)$25.00Buy It NowFree delivery
Picked For You
Top selling items from trusted sellers | Sponsored- Polo By Ralph Lauren Kids Boys Adjustable Elastic Waist Lined Swim Trunks Sz 4Opens in a new window or tab$27.99babies_n_things (2,049) 100%
- Boy's Nike 3 Brand Polyester Swim Shorts Swimsuit NEWOpens in a new window or tab$21.99qualitybargains01 (66,098) 99.6%1+ watchers
- Hurley Little Boys Doodle Tropical Paradise Board Shorts, Size 4Opens in a new window or tab$9.95kdk_kidsclothes (3,106) 100%
- Boy's Youth Hurley 2 Piece UPF 50+ H2O Dri Swim Long Sleeve Shirt Swim NewOpens in a new window or tab$24.99qualitybargains01 (66,098) 99.6%
- MLB Colorado Rockies Brief Lined Purple Boardshorts Swim Trunks Youth Boy's NWTOpens in a new window or tab$18.74sonny252525 (20,288) 99.4%
- TOMMY BAHAMA Little Boy's Size 4 Blue 2-pc Rashguard & Swim Trunks Set NWTOpens in a new window or tab$24.99m7162ac (1,733) 99.8%
- ZeroXposur Boy's UPF 50+ Swim Trunks With Goggles NWT Size 4 5/6 or 8Opens in a new window or tab$17.99nolahjean (5,464) 100%
- Hurley Boy's UPF50+ Drawstring Waist Pull On Swim Short 4Opens in a new window or tab$13.99titan27279 (6,630) 99.8%
- UNDER ARMOUR UPF 50+ 2PC Rash guard & Trunks OR Swim Trunks UPF50 Sz 4-7, YS-YXLOpens in a new window or tabBrand New$22.99 to $32.99Buy It NowFree delivery in 2-4 days
- AIR JORDAN Boys Mesh Lined Board Shorts Swimsuit Swim Trunks Black Sz 4 YouthOpens in a new window or tabBrand New$29.95Buy It NowFree delivery
- Hurley Little Boys Doodle Tropical Paradise Board Shorts, Size 4Opens in a new window or tabPre-Owned$9.95Buy It NowFree deliveryFree returnsTop Rated Plus
- Boy's Youth Hurley 2 Piece UPF 50+ H2O Dri Swim Long Sleeve Shirt Swim NewOpens in a new window or tabBrand New$24.99Buy It NowFree delivery in 2-4 daysFree returnsTop Rated Plus
- JURASSIC WORLD T-REX UPF-50+ Swim Trunks Bathing Suit NWT Boys 4, 5-6 or 7 $25Opens in a new window or tabBrand New$14.39Was: $15.9910% offBuy It Now+$4.95 delivery in 2-4 daysFree returnsSave up to 20% when you buy moreTop Rated Plus
- Kids Tommy Bahama Size 4T Swim Trunk Short Red White Blue Plaid Yellow Fish LogoOpens in a new window or tabPre-Owned$17.99or Best Offer+$4.99 deliveryFree returnsTop Rated Plus
- Lands' End Swim Trunks Boy's Small 4 Green Orange Floral Hawaiian Board ShortsOpens in a new window or tabPre-Owned$6.98Was: $13.9550% offor Best Offer+$6.95 delivery in 2-4 daysFree returnsExtra 10% off with couponTop Rated Plus
- Big Chill Swim Trunks Boys 4 Mesh Lining Drawstring Red Blue Hammerhead SharkOpens in a new window or tabPre-Owned$5.23Was: $6.9725% offor Best Offer+$4.84 deliveryFree returnsTop Rated Plus
- Minecraft Boys Swimsuit Size 4 5 7 8 12 Swim Trunks Rash Guard Shirt Set CreeperOpens in a new window or tabBrand New$28.01 to $34.59Was: $29.806% offBuy It Now+$5.35 delivery
- Love Brand & Co Boys Classic Code Ray Staniel Swim Shorts Swim Trunks 4-6 YearsOpens in a new window or tabPre-Owned$39.99Buy It Now+$3.99 delivery
- Sonic the HedgeHog ☆ Boys' Rash Guard and Swim Trunks Set ☆ Sizes 4, 7, 10/12Opens in a new window or tabBrand New$29.95Buy It NowFree deliveryFree returns
- Hurley Swim Shorts, Little Boys Size 4, Logo, Striped, LinedOpens in a new window or tabPre-Owned$6.97Buy It Now+$4.51 delivery
From our popular brands
Based on number of views and purchases | Sponsored- NikeNEW Lot of 2 NIKE Athletic Shorts & Swim / Boardshorts Boy's Sz 4 NWTOpens in a new window or tabBrand New$12.99+$4.30 delivery
- NikeBoy's Nike 3 Brand Polyester Swim Shorts Swimsuit NEWOpens in a new window or tabBrand New$21.99Free delivery
- HurleyHurley Little Boys Doodle Tropical Paradise Board Shorts, Size 4Opens in a new window or tabPre-Owned$9.95Free delivery
- HurleyBoy's Youth Hurley 2 Piece UPF 50+ H2O Dri Swim Long Sleeve Shirt Swim NewOpens in a new window or tabBrand New$24.99Free delivery
- MarvelMarvel Spidey Shorts size 4T swim trunk Spider-man super hero linedOpens in a new window or tabPre-Owned$15.39+$5.82 delivery
- DisneyVintage Y2K Disney Pixar World of Cars Lightning McQueen Swim Trunks Size 4Opens in a new window or tabPre-Owned$8.99+$7.35 delivery
- DisneyDisney Mickey Mouse Swim Trunks Boys Youth 4 Lined Green Swimming Shorts NWTOpens in a new window or tabBrand New$16.00+$7.00 delivery
- GapNWT BabyGap Shorts Swim Trunks Boys Sz 4 Octopus Coral Reef UPF 40 Lined GreenOpens in a new window or tabBrand New$24.99Free delivery
- ArtArt Class New Boy's Size 4 Lined Adjustable Waist Cargo Pocket Swim Board SharkOpens in a new window or tabBrand New$7.19+$4.95 delivery
- ArtArt Class Swim Trunks Multicolor Adjustable Waist Mesh Lined Summer Boys Size 4Opens in a new window or tabBrand New$6.49+$4.51 delivery
- MarvelMarvel THOR Swim Trunks Boys Size 4/5 The Mighty Avenger Swim trunks Lined BlueOpens in a new window or tabPre-Owned$10.99+$7.35 delivery
- QuiksilverQuiksilver swim trunks blue & yellow boys sz 4Opens in a new window or tabPre-Owned$8.00+$6.15 delivery
- P.S. from Aeropostale Boys Cool Summer Rashguard Swim Set Size 2T 3T 4T 4 5 6 7Opens in a new window or tabBrand New$16.09Was: $22.9930% offBuy It NowFree deliveryFree returns4+ watchersTop Rated Plus
- MINECRAFT CREEPER UPF-50+ Bathing Suit Swim Trunks NWT Boys Size 4, 5-6 or 7 $25Opens in a new window or tabBrand New$14.99Was: $24.9840% offBuy It Now+$4.95 delivery in 2-4 daysFree returnsSave up to 20% when you buy moreTop Rated Plus
- New! Janie & Jack Boys Size 4 Flamingo Swim Trunks Shorts Suit UPF 50 NWT $42Opens in a new window or tabBrand New$21.95or Best Offer+$6.10 delivery in 2-4 days
- NINJA TURLES Swim Trunks UPF-50+ Bathing Suit NWT Boys Sizes 4, 5-6 or 7 $25Opens in a new window or tabBrand New$14.39Was: $15.9910% offBuy It Now+$4.95 delivery in 2-4 daysFree returnsSave up to 20% when you buy moreTop Rated Plus
- NWT Boys Size 10/25 Hurley Swim Board Shorts Trunks Blue Lazer drawstringOpens in a new window or tabBrand New$18.88or Best Offer+$6.55 deliveryLast one
- Space Jam A New Legacy 2 Boys Swimsuit Swim Trunks Short Tune Squad Size 4 5 5TOpens in a new window or tabBrand New$25.15Was: $26.756% offBuy It Now+$4.80 delivery
- Hanna Andersson Boys' Swim Trunks, Blue & Green Colorblock, Size 4Opens in a new window or tabPre-Owned$14.99or Best Offer+$4.84 delivery
- NWT BabyGap Shorts Swim Trunks Boys Sz 4 Octopus Coral Reef UPF 40 Lined GreenOpens in a new window or tabBrand New$24.99Buy It NowFree delivery in 2-4 days
- Super Mario Boy's Swim Trunks 2013 Nintendo Size 4 Video Game Beach VacationOpens in a new window or tabPre-Owned$12.97or Best Offer+$6.35 deliveryFree returnsTop Rated Plus
- Vintage Polo Sport Ralph Lauren Shorts Boys 4T Navy Blue Mesh Lined Swim TrunksOpens in a new window or tabPre-Owned$6.00Was: $24.0075% offor Best Offer+$9.00 deliveryFree returnsTop Rated Plus
- Marvel Spidey Shorts size 4T swim trunk Spider-man super hero linedOpens in a new window or tabPre-Owned$15.39Was: $16.738% offor Best Offer+$5.82 deliveryfrom Canada
- POKEMON PIKACHU Swim Trunks UPF-50+ Bathing Suit NWT Boys Sizes 4, 5-6 or 7 $25Opens in a new window or tabBrand New$15.29Was: $16.9910% offBuy It Now+$4.95 delivery in 2-4 daysFree returnsSave up to 20% when you buy moreTop Rated Plus
- Place Sport Boys Sea Turtle Swim TrunksOpens in a new window or tabPre-Owned$12.00or Best OfferFree delivery
- Wonder Nation Toddler Boy's Size 4T Swim Trunks Blue W/Multi Stripes UPF 50+ NWTOpens in a new window or tabBrand New$6.99Buy It Now+$4.50 deliveryExtra 10% off with coupon
- Nickelodean Sponge Bob Boys Swim Shorts**Bright Yellow**Inner Lining* Size 4TOpens in a new window or tabBrand New$8.00or Best Offer+$5.80 delivery
- CARS LIGHTNING McQUEEN UPF-50+ Swim Trunks Bathing Suit NWT Boys 4, 5-6 or 7 $25Opens in a new window or tabBrand New$14.39Was: $15.9910% offBuy It Now+$4.95 delivery in 2-4 daysFree returnsSave up to 20% when you buy moreTop Rated Plus
- Boys Tommy Bahama Under The Sea Swim Trunks ~ Size 4Opens in a new window or tabPre-Owned$9.760 bids · Time left53mor Best Offer+$4.99 delivery
- 1pc Kids Headquarters Boys Blue & Yellow Swim Board Shorts Attached Liner Size 4Opens in a new window or tabPre-Owned$28.00or Best Offer+$7.75 deliveryExtra 6% off with coupon
- P.S. from Aeropostale Boys Jawesome Rashguard Swim Set Size 2T 3T 4T 4 5 6 7Opens in a new window or tabBrand New$16.09Was: $22.9930% offBuy It NowFree deliveryFree returnsTop Rated Plus
- Set Of 2 Baby Gap Swimming Trunks And Matching Rash Guards Size 4T (XS)Opens in a new window or tabPre-Owned$12.000 bids · Time left6d 16hor Best Offer+$7.00 delivery
- Love Brand & Co Boys Classic Swim Trunks 4-6 Years Million Dollar Blue LuxuryOpens in a new window or tabPre-Owned$40.00or Best Offer+$5.62 delivery
- Disney Mickey Mouse Swim Trunks Boys Youth 4 Lined Green Swimming Shorts NWTOpens in a new window or tabBrand New$16.00Was: $20.0020% offor Best Offer+$7.00 delivery
- Little Boy's Hurley Size 4 Swimsuit Swim NEW WITHOUT TAGSOpens in a new window or tabNew (Other)$14.99Buy It NowFree delivery in 2-4 daysFree returns2 watchersTop Rated Plus
- Rip Curl Laydays Vision Board Swim Shorts Tropical Lined Boys Size 4 NewOpens in a new window or tabBrand New$13.99or Best Offer+$5.99 deliveryFree returns
- Wonder Nation Shark Swimsuit Lined Swim Trunks Shorts Swimwear Blue Boys Sz 4/5Opens in a new window or tabPre-Owned$12.00or Best Offer+$8.71 delivery
- NWT Ralph Lauren Boys Sz 4 Green Swim Shorts Trunks Sanibel Big Pony Pockets N45Opens in a new window or tabBrand New$27.60Was: $46.0040% offor Best Offer+$4.71 delivery
- Polo Ralph Lauren Toddler Swim Trunks Navy With Red PonyOpens in a new window or tabPre-Owned$30.00or Best Offer+$5.99 delivery
- BRAND NEW Under Armour Heatgear LOOSE Signature Swim Short Sz.4 (Black Lining)Opens in a new window or tabBrand New$22.93Was: $30.9926% offBuy It Now+$5.75 delivery
- Janie and Jacque boys flamingo swim trunks size 4Opens in a new window or tabPre-Owned$10.00Buy It Now+$4.71 delivery
- Janie & Jack Boys Size 4 Swim Trunks NEW Navy Blue Ships Boats Shorts SwimsuitOpens in a new window or tabBrand New$17.49Was: $24.9930% offor Best Offer+$5.65 deliveryFree returnsExtra 15% off with couponTop Rated Plus
- Boy's Youth Hurley Swim Board ShortsOpens in a new window or tabBrand New$21.99Buy It NowFree delivery in 2-4 days
- NWT Janie and Jack Size 4 COASTAL GETAWAY Sailboat Swim Shorts PocketOpens in a new window or tabBrand New$16.00Buy It Now+$6.25 delivery
- Nautica Performance Swimsuit Swim Trunks Boys S Sz 4 50+ UPF Protection ShortsOpens in a new window or tabBrand New$15.95Buy It Now+$4.14 delivery
- NWT NEW Boy's sz 4 XS Hurley 2 pc set UPF 50+ H2O Dri Shorts & Shark Shirt $44Opens in a new window or tabBrand New$21.50Buy It NowFree delivery
- Under Armour Boys 2 Piece Swim Tee And Trunk Shorts Set Size 4 Glacier BlueOpens in a new window or tabBrand New$25.99Was: $39.9935% offor Best Offer+$3.99 deliveryFree returnsTop Rated Plus
- Disney Parks Bathing Suit Boy's 4 Toy Story Lined Woody SporkyOpens in a new window or tabPre-Owned$5.39Was: $8.9940% offor Best Offer+$5.99 delivery
- 2 New Boys 4T Swim Shorts GoldFish & Ships Whales Pirates Kids Uzzi Mesh LinedOpens in a new window or tabBrand New$9.44Buy It Now+$5.49 delivery
- NEW LITTLE BOYS ART CLASS UPF 50+ BOARD SHORTS SWIM TRUNKS SHORTS SIZE 4Opens in a new window or tabBrand New$8.95or Best Offer+$6.55 delivery
- Vintage Scooby-Doo Boys Swim Trunks Size 4T Lined (No Elastic)Opens in a new window or tabPre-Owned$12.88or Best Offer+$6.88 deliveryFree returnsTop Rated Plus
- Janie and Jack boys yellow navy turtle swim trunks mesh lining size 4Opens in a new window or tabNew (Other)$16.00Buy It Now+$6.99 delivery
- Matilda Jane Oh Boy Swim Short Size 4 Blue Floral Swim Trunk New With TagsOpens in a new window or tabPre-Owned$8.50Buy It Now+$6.00 delivery
- Disney Puppy Dog Pals Swim Trunks and Rash Guard Boys 4 Blue Graphic LinedOpens in a new window or tabPre-Owned$8.99or Best Offer+$6.40 delivery
- Art Class New Boy's Size 4 Lined Adjustable Waist Cargo Pocket Swim Board SharkOpens in a new window or tabBrand New$7.19Was: $7.9910% offor Best Offer+$4.95 deliveryFree returns
- Vintage Y2K Disney Pixar World of Cars Lightning McQueen Swim Trunks Size 4Opens in a new window or tabPre-Owned$8.99or Best Offer+$7.35 delivery
- Lilly Pulitzer Boys Kids Swim Trunks Shorts Bathing Suit Sz 4 Lined *Faded*Opens in a new window or tabPre-Owned$10.00or Best Offer+$4.84 delivery
- NWT Hurley Little Boys Blue Tie Dye Mesh Lined Swim Trunks sz 4Opens in a new window or tabBrand New$15.00Buy It Now+$4.49 delivery
- Polo Ralph Lauren Yellow Plaid Swim Trunks Board Shorts Toddler Boys Size 4 / 4TOpens in a new window or tabPre-Owned$19.99Buy It Now+$5.00 delivery
- SPIDER-MAN MILES MORALES UPF-50+ Swim Trunks Bathing Suit Boys 4, 5-6, or 7 $25Opens in a new window or tabBrand New$14.39Was: $15.9910% offBuy It Now+$4.95 delivery in 2-4 daysFree returnsTop Rated Plus
- Art Class Swim Trunks Multicolor Adjustable Waist Mesh Lined Summer Boys Size 4Opens in a new window or tabBrand New$6.49Was: $12.9950% offor Best Offer+$4.51 delivery
- Boys Tommy Bahama Under The Sea Swim Trunks ~ Size 4Opens in a new window or tabBrand New$9.760 bids · Time left5h 3mor Best Offer+$4.99 delivery
- Hurley Boys Swim Suit 2-Piece Outfit Set Green/Tie Dye 4 NWT UPF 50+Opens in a new window or tabBrand New$14.00Buy It Now+$6.57 delivery
- Nautica Swim Trunks Boys Hawaiian Board Shorts Yellow Blue Mesh Liner Size 4Opens in a new window or tabPre-Owned$6.74Was: $7.4910% offor Best Offer+$4.95 delivery
- Mini Boden Gray Blue Palm Leaf Print Swim Trunks Shorts Size 3-4Y BoardshortsOpens in a new window or tabPre-Owned$14.97or Best Offer+$5.99 deliveryExtra 10% off with coupon
- H&M Star Wars BB8 Droid Swim Trunks Mesh Lined Tie Galaxy Swimwear Bottom 4-6YOpens in a new window or tabPre-Owned$7.99Was: $15.9950% offor Best Offer+$7.35 deliveryFree returnsTop Rated Plus
- Items Per Page
