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- BOY’S JOHNNIE-O SWIM TRUNKS - SIZE 12Opens in a new window or tabPre-Owned$20.00or Best Offer+$6.55 delivery
- LACOSTE Boys Swim Shorts Size 12 Lacoste Logo 1927Opens in a new window or tabPre-Owned$14.99or Best Offer+$8.99 deliveryFree returns
- Moncler blue swimsuit boxer style stripes on the sides, logo patch 12YOpens in a new window or tabBrand New$99.00or Best Offer+$19.00 deliveryfrom Greece
- New! Boy's Under Armour Logo Swim Trunks Size Medium 10/12Opens in a new window or tabBrand New$29.95or Best Offer+$5.95 delivery
- Speedo Youth Size 12 Black Swim Jammers - NWT!Opens in a new window or tabBrand New$6.95Buy It Now+$6.99 delivery
- New Columbia Super Backcast Youth Swim Shorts Sz M 10/12Opens in a new window or tabBrand New$10.00Buy It Now+$8.55 delivery
- Speedo Youth Size 12 Black Swim Jammers - NWT!Opens in a new window or tabBrand New$14.95Buy It NowFree delivery
- Hurley Youth Long Sleeve UPF 50+ Swim Top Black Size 10/12Opens in a new window or tabBrand New$9.95Buy It NowFree delivery
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- NWOT Hanna Andersson GREEN 3D CREATURE DRAGON SUNBLOCK SWIM SHORTS 150 12 $48Opens in a new window or tabNew (Other)$28.99Buy It Now+$6.20 delivery in 2-4 daysFree returnsTop Rated Plus
- NEW NWT Hurley Phantom Boys Kids Board Shorts Surf Swim Trunks - Blue Pink GreenOpens in a new window or tabBrand New$13.49or Best Offer+$8.71 delivery
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- Patagonia Board Shorts Boys 12 Blue Gray Drawstring Zip Pocket NylonOpens in a new window or tabPre-Owned$7.00Was: $14.0050% offBuy It Now+$4.71 deliveryFree returnsTop Rated Plus
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Based on number of views and purchases | Sponsored- SpeedoSpeedo Shorts Boys 12 Black Jammer Nylona Spandex Blend Drawstring SwimOpens in a new window or tabPre-Owned$13.19+$4.94 deliveryExtra 25% off with coupon
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- HurleyHurley Board Shorts Boys Size 12 Black White Neon Stripe Logo Swim Surf BeachOpens in a new window or tabPre-Owned$18.95Free delivery
- PatagoniaPatagonia Kids' Costa Rica Baggies Shorts Coho Coral - 3" Size Large L(12) NEWOpens in a new window or tabBrand New$29.03+$4.99 delivery
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- Quiksilver Highlite Arch Boardshorts Boys 26/12 Blue Floral Swimwear JDM1093Opens in a new window or tabBrand New$44.00Buy It NowFree deliveryFree returnsTop Rated Plus
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- Regatta Kids Peppa Pig Long Sleeve Swimming Swimsuit Rash Suit SetOpens in a new window or tabBrand New$20.00List price: $47.9958% offBuy It NowFree deliveryfrom United Kingdom
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- GAP Surf Kids Board Swim Shorts Boy XL (12) Reg Navy & Red Striped Very Nice EUCOpens in a new window or tabPre-Owned$11.99or Best Offer+$6.00 delivery in 2-3 daysFree returnsTop Rated Plus
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- Nike 6.0 Board Shorts Boy Sz 12 Jellyfish Black Swim Trunks Unlined MediumOpens in a new window or tabPre-Owned$14.99or Best Offer+$5.00 delivery
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- Quiksilver Boys Amphibian Swim Shorts 19” Size 26"/12 BlueOpens in a new window or tabPre-Owned$8.49Was: $9.9915% offBuy It Now+$5.99 delivery in 2-4 days
- Nintendo Super Mario Bros Swim Trunks Size 10/12Opens in a new window or tabPre-Owned$12.00or Best OfferFree delivery in 2-4 days
- Kids Boy Swimwear Outdoor Swimsuit Holiday Top Shorts Children Pants Rash GuardOpens in a new window or tabNew (Other)$15.19 to $29.09Buy It Now+$3.99 deliveryfrom China
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- Hurley Boys' Size 12 Board Shorts Striped, No Liner, Beach Kidcore Surf SwimOpens in a new window or tabPre-Owned$19.99or Best Offer+$7.81 delivery
- CHAMPION Boys Swim Trunks Shorts Size Large (11-12) BlueOpens in a new window or tabPre-Owned$7.00or Best Offer+$4.14 delivery
- No Boundaries Kids Size 12 Aquawave Black Rash Guard Short Sleeve Swim SurfOpens in a new window or tabPre-Owned$8.00Was: $10.0020% offor Best Offer+$5.99 deliveryFree returnsExtra 20% off with couponTop Rated Plus
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- PATAGONIA Board Shorts Swim Trunks Boys Size 12 Yellow Aqua Navy Wayfarer PocketOpens in a new window or tabPre-Owned$18.88or Best Offer+$6.40 delivery
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- Snapper Rock Swim Trunks Boys 12 Red White Blue Lobster DrawstringOpens in a new window or tabPre-Owned$16.00Buy It Now+$5.00 delivery
- Maui & Sons Swim/Board Trunks-Boys Size 12-Stripes-Waves Lime-Turquoise-GreyOpens in a new window or tabPre-Owned$17.20or Best Offer+$6.55 deliveryExtra 10% off with coupon
- Kanu Surf Rash Guard SZ 12 Sun Protection Water Swim Outdoor Shirt Youth 12Opens in a new window or tabPre-Owned$12.00or Best Offer+$6.00 delivery
- Rusty Board Shorts Swimwear Boys Size 12 Blue Gray Trunks Adjustable DrawstringOpens in a new window or tabBrand New$10.78Was: $11.9810% offBuy It Now+$6.98 delivery
- NWT O’Neill Boy's Sz 12 Ash & Silver UV 5oz Logo 1/2 Sleeve Rashguard Swim ShirtOpens in a new window or tabBrand New$14.00or Best Offer+$7.95 delivery
- Hurley L61261 Big Boys Bandana Tie-Dye Swim Board Shorts Size LOpens in a new window or tabBrand New$35.00Buy It Now+$5.20 deliveryFree returnsExtra 17% off with couponTop Rated Plus
- BOY’S JOHNNIE-O Boys SWIM TRUNKS Shorts - SIZE 12 *****READ*** BlueOpens in a new window or tabPre-Owned$22.99Buy It NowFree delivery
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- Hurley Boys 12/26 Boardshorts Drawstring Tropical Hawaiian Floral Swim ShortsOpens in a new window or tabPre-Owned$15.00or Best Offer+$5.95 delivery
- Kanu Surf Swim Trunks Boys 12 Black Aztec Quick Dry Outdoors Swim Travel BeachOpens in a new window or tabPre-Owned$12.95or Best Offer+$4.84 deliveryFree returns
- Kids Boy Swimsuit Silky Top Shorts 2 Piece Swimwear Outdoor Activewear PoolOpens in a new window or tabNew (Other)$14.29 to $26.59Buy It Now+$3.99 deliveryfrom China
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- Quick Silver Board Water Shorts Boys Size12–26”waistOpens in a new window or tabPre-Owned$7.00Buy It Now+$6.28 deliveryFree returns
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