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- Polo Ralph Lauren Swim Trunks Boys Size 4 Plaid Liner Board Shorts LinedOpens in a new window or tabPre-Owned$14.95or Best Offer+$6.95 delivery in 2-4 daysFree returnsTop Rated Plus
- Disney Boys Retro Mickey Mouse & Pluto Striped Swim Trunk Board Shorts Size 4Opens in a new window or tabPre-Owned$12.00or Best Offer+$4.84 delivery
- Quicksilver Board Shorts Boys 4T Swimsuit Trunks Surf Beach Retro Stripe Y2K VTGOpens in a new window or tabPre-Owned$7.31or Best OfferFree deliveryFree returns
- Lands' End Swim Trunks Boy's Small 4 Green Orange Floral Hawaiian Board ShortsOpens in a new window or tabPre-Owned$13.95or Best Offer+$6.95 delivery in 2-4 daysFree returnsExtra 10% off with couponTop Rated Plus
- PLAY Vtg MINI BODEN Boys Camo Camouflage Colorful Swim Shorts Trunks Size 4/5Opens in a new window or tabPre-Owned$20.00or Best Offer+$6.84 delivery
- Hanna Andersson Boy’s Green Retro Swim Trunks White Trim Size 4Opens in a new window or tabPre-Owned$10.00Buy It Now+$4.00 delivery
- Vintage Pokemon Shorts 4 Blue Poliwhirl Bulbasaur Psyduck Swim Trunks 90s Y2KOpens in a new window or tabPre-Owned$2.49Was: $4.9950% offor Best Offer+$5.80 deliveryFree returnsTop Rated Plus
- Marvel Spider-Man Del Sol Board Shorts Boys T4 Blue Red Changes Color New NWTOpens in a new window or tabBrand New$8.99or Best Offer+$6.25 delivery in 2-4 daysFree returnsTop Rated Plus
- 90s vintage Legoland shorts 1995 Lego swim trunks retro color block toddler 4t 5Opens in a new window or tabPre-Owned$5.99Buy It Now+$9.10 delivery
- American Flag Swim Trunks Bathing Suit Patriotic USA 4th of July Kids Size 4YOpens in a new window or tabNew (Other)$5.95Was: $7.0015% offor Best Offer+$4.84 delivery
- NWT Gymboree USA Patriotic American Flag Stars Stripes Swim Trunks Shorts 4 5 6Opens in a new window or tabBrand New$19.99Buy It Now+$4.99 delivery in 2-3 days
- RARE Funky Trunks Toddler Boys Retro 60’s Classic Trunks Swim briefs SwimwearOpens in a new window or tabPre-Owned$12.75Was: $15.0015% offBuy It Now+$5.95 delivery
- Boy's Swim Trunks Sz 4 Red White Blue, Crabs Sunglasses Stripes Lined ShortsOpens in a new window or tabPre-Owned$6.99Buy It Now+$5.85 delivery
- Speedo Boy's Swimsuit Jammer Begin to Swim Solid Black, Size 4Opens in a new window or tabBrand New$7.41Was: $7.805% offor Best Offer+$9.91 deliveryFree returns
- Speedo Boy's Begin to Swim Swimsuit Jammer, Size & Color OptionsOpens in a new window or tabBrand New$29.50Buy It NowFree deliveryFree returnsTop Rated Plus
- Boys’ Beach Bros. $28 '80s Retro Pineapple Print Quick Dry Swim Shorts Size 4Opens in a new window or tabBrand New$17.00Buy It NowFree delivery
- Quiksilver Little Boys 4 Board Shorts Everyday USA Red White Blue Stars StripeOpens in a new window or tabBrand New$20.00Buy It NowFree deliveryLast one
- Ron Jon Surf Shop Kids Boys GirlsWetsuit Size 4 Blue Black Made In USA ExcellentOpens in a new window or tabPre-Owned$25.00or Best Offer+$8.84 delivery
- Vintage Kid’s Fast Moves Swim Trunks Red Yacht Club Stripes Lined Boy’s Size 4TOpens in a new window or tabPre-Owned$9.99or Best Offer+$4.51 delivery
- New $192 Speedo Boys Black Stretch Mid-Rise One-Piece Active Swim Jammer Size 4Opens in a new window or tabBrand New$6.98Was: $19.9565% offor Best Offer+$6.79 deliveryExtra 5% off with coupon
- NWOT BOYS RETROMARINE RETRO TV SWIM TRUNKS LINED. 4YOpens in a new window or tabPre-Owned$35.00Buy It NowFree delivery
- Nwt Gymboree surfin' rash guard swim shirt boys 4 free ship USAOpens in a new window or tabBrand New$13.99or Best OfferFree delivery
