3,100+ results
- Under Armour Swim Trunks Swim Wear Youth Size L Blue And OrangeOpens in a new window or tabPre-Owned$8.00Was: $10.0020% offor Best Offer+$5.00 delivery
- Vintage KIDS Billabong Fire Skull Shorts Trunks 90s Y2K USA Skate Surf Sport OGOpens in a new window or tabPre-Owned$100.00or Best Offer+$7.00 delivery
- Youth Boys Size Large 10/12. Wonder nation. White. Graphic TeeOpens in a new window or tabPre-Owned$4.99or Best OfferFree delivery
- Patagonia Boys Size Large Mesh Lined Swim Trunks Red Shorts Pockets 7” InseamOpens in a new window or tabPre-Owned$15.00or Best Offer+$4.95 delivery
- Kid's Boy's Vineyard Vines Flower & Crab Swim Trunks with Storage Bag LargeOpens in a new window or tabPre-Owned$15.00or Best Offer+$4.71 delivery
- Southern Tide Solid Swim Trunk 2.0 Boys Size XS 4 5 Sunset CoralOpens in a new window or tabPre-Owned$5.20Time left1d 14hor Best Offer+$4.71 delivery
- Under Armor Boys Bathing Suit Size largeOpens in a new window or tabPre-Owned$3.00or Best Offer+$4.84 delivery
- lilly pulitzer boys swimming trunks size xsOpens in a new window or tabPre-Owned$10.00or Best Offer+$4.84 delivery
Picked For You
Top selling items from trusted sellers | Sponsored- Hurley Boys Long Sleeve Moisture Wicking UV T-Shirt 10/12Opens in a new window or tab$14.69titan27279 (5,993) 99.8%
- Coolibar Ultimate Long Sleeve Rash Guard Shirt Cobalt Blue UPF 50+ Boys Large LOpens in a new window or tab$19.99funfindsforyou (5,693) 100%
- NWT Coolibar Boys L 10 12 Superbank Boardshorts Red Swim Trunks Swimsuit ShortsOpens in a new window or tab$17.65grandetresors (4,771) 99.8%
- The Simpsons Juniors Bart Swimming Trunks Long Shorts Size LOpens in a new window or tab$17.60toe*super*store (2,429) 99.7%
- Vintage Ocean Pacific Shorts Youth L Swim Trunks Blue Cotton 90s Surf OPOpens in a new window or tab$29.99vintageshihtzu (4,063) 99.2%
- Polo Ralph Lauren Boys Traveler Drawstring Blue Swim Trunk L (14/16) MSRP$59.50Opens in a new window or tabBrand New$34.90or Best OfferFree deliverySave up to 20% when you buy more
- Kanu Surf Shorts Blue Striped Surf Board Swim Junior size L (14-16)Opens in a new window or tabPre-Owned$3.20Was: $8.0060% offor Best Offer+$6.00 delivery in 2 daysFree returns
- Boys Nike Brand Swim Shorts / Trunks Size Youth Large [ 12 to 13 Years ]Opens in a new window or tabPre-Owned$7.85or Best Offer+$4.84 delivery
- Quicksilver Youth Rash Guard Gray Size Boys Large Long Sleeve SurfShirtOpens in a new window or tabPre-Owned$3.00Time left5d 18hor Best Offer+$6.84 delivery
- Columbia Pfg Backcast Swim Shorts Boys Lined Inside Blue Size Lg Omni-ShadeOpens in a new window or tabPre-Owned$11.99or Best Offer+$6.21 delivery
- Hurley Youth Long Sleeve Swim Rash Guard Graphic Large Swim Beach VacationOpens in a new window or tabPre-Owned$12.97or Best Offer+$5.44 deliveryFree returnsExtra 25% off with couponTop Rated Plus
- Puma 20" Board Shorts Boys Size Large 14-16 Neon Yellow Blue Striped DrawstringOpens in a new window or tabPre-Owned$13.53Was: $15.0310% offor Best Offer+$4.99 deliveryFree returnsExtra 20% off with coupon
- Fair Harbor Board Shorts Boys L Blue Striped Swim Beach Climb Pool Lined YouthOpens in a new window or tabPre-Owned$14.95or Best Offer+$5.99 deliveryFree returnsTop Rated Plus
- Lands End Check Swim Trunks Boy L 14-16 Elastic Drawstring Waist Mesh Lined NEWOpens in a new window or tabNew (Other)$15.99or Best Offer+$6.10 delivery
- Old Navy Rashguard Boys Bundle Of 2 Sz XS 5 Swim Top Beachwear Shark Palm TreesOpens in a new window or tabPre-Owned$14.99or Best Offer+$4.84 delivery
- Tommy Bahama Swim Cover Up Boys 7 - 12 L/XL StripeOpens in a new window or tabPre-Owned$13.59Was: $15.9915% offor Best Offer+$4.99 delivery
From our popular brands
Based on number of views and purchases | Sponsored- PatagoniaPatagonia Boys Size Large Mesh Lined Swim Trunks Red Shorts Pockets 7” InseamOpens in a new window or tabPre-Owned$15.00+$4.95 delivery
- HurleyHurley Youth Long Sleeve Swim Rash Guard Graphic Large Swim Beach VacationOpens in a new window or tabPre-Owned$12.97+$5.44 deliveryExtra 25% off with coupon
- NikeNIKE Boys Board Shorts Large 12 13 Years Blue Striped Swim Trunks Beach N327Opens in a new window or tabPre-Owned$15.90+$6.99 delivery
- PatagoniaPatagonia Boys Kid Youth L Blue Baggies Lined 7" Nylon Swim Trunks ShortsOpens in a new window or tabPre-Owned$12.50+$4.84 delivery
- HurleyHurley Boys Long Sleeve Moisture Wicking UV T-Shirt 10/12Opens in a new window or tabBrand New$14.69Free delivery
- TrunksNWT Coolibar Boys L 10 12 Superbank Boardshorts Red Swim Trunks Swimsuit ShortsOpens in a new window or tabBrand New$17.65Free delivery
- SpeedoLot 3-Boys Swim Trunks Size Large Speedo SHEINOpens in a new window or tabPre-Owned$16.99+$5.99 delivery
- NikeNike Shift Break 7" Volley Short Swim Trunks Boys' L Red Orange Pull On StyleOpens in a new window or tabNew (Other)$16.51+$5.95 delivery
- 2x STAR WARS Boy's XS 4/5 Blue Swim Suits/Trunks/Board Shorts Yoda Grogu VaderOpens in a new window or tabPre-Owned$5.00or Best Offer+$8.95 delivery in 2-4 days
- Columbia Big Boys Board Shorts Swim Trunks Size L14/16 EUCOpens in a new window or tabPre-Owned$13.50or Best Offer+$4.44 delivery in 2-4 days
- Spiderman Blue Swim Trunks Boys Size XSmallOpens in a new window or tabPre-Owned$4.99or Best Offer+$4.51 delivery
- Nike Swoosh Lined Blue Yellow Swim Trunks Shorts Youth Boys Large 12-13 YrsOpens in a new window or tabPre-Owned$5.99or Best Offer+$6.55 deliveryFree returns
- NEW! BOYS ADIDAS SIZE 26 Swim Brief Black & Yellow #378Opens in a new window or tabBrand New$12.99or Best OfferFree deliverySave up to 15% when you buy more
- Peter Millar YOUTH Boys Swim Trunks Size Large 11-12 All Over SurfboardOpens in a new window or tabPre-Owned$16.99or Best Offer+$5.99 delivery
- Vineyard Vines Shorts Boys Large Blue Pink Floral Swim Board Trunks LinedOpens in a new window or tabPre-Owned$12.99or Best Offer+$4.84 delivery
- cherokee boys swim surf trunks Mesh Lined Stars Stripped Size L/G 12 - 14 PocketOpens in a new window or tabNew (Other)$4.20or Best Offer+$8.45 deliveryFree returnsTop Rated Plus
- Southern Tide Trunks Youth Large 30W+ 8" Swim Blue Surfing 🏄 Sailing ⛵ LogoOpens in a new window or tabBrand New$38.00or Best Offer+$5.79 delivery in 2-4 daysFree returnsTop Rated Plus
- Neff Multi Colored Zebra Stripes Swim Trunks Board Shorts Youth Boys Size LargeOpens in a new window or tabPre-Owned$14.95or Best Offer+$5.31 delivery
- Spyder Swim Trunks Boys Youth Large Mesh Lined Pockets Gray ShortsOpens in a new window or tabPre-Owned$10.39Was: $12.9920% offor Best Offer+$5.87 deliveryFree returnsTop Rated Plus
- Big Boys UNDER ARMOUR UPF 50+ Swim Trunks Rash Guard Set Youth Large L YLOpens in a new window or tabPre-Owned$39.99or Best OfferFree deliveryBuy 1, get 1 50% off
- NWT Boy's Under Armour "Surfs Up" UPF 50 Swim Shirt - Sz LARGE Pool/BeachOpens in a new window or tabBrand New$14.00or Best Offer+$5.25 delivery
- Vineyard Vines Beach Fish Swim Trunks Boardwalk Surfing Boys Youth Size Lg 16Opens in a new window or tabPre-Owned$10.00or Best Offer+$4.71 delivery
- Art Class Boys Checkered Swim ShortsOpens in a new window or tabBrand New$10.00or Best OfferFree delivery
- NWT Disney Store STAR WARS ADAPTIVE STORMTROOPER SWIMSUIT Boys XS BLACK WHITEOpens in a new window or tabBrand New$21.99or Best Offer+$4.84 delivery
- Boy's Art Class Mid-Thigh Length Pull On Swim Trunks Drawstring Green Size LargeOpens in a new window or tabPre-Owned$7.25or Best Offer+$4.84 delivery
- Tommy Bahama Relax Mesh Lined Swim Trunks Boys Size Large (9" Inseam)Opens in a new window or tabPre-Owned$25.00or Best Offer+$7.25 delivery
- Coolibar UPF 50+ Sandshark Surf Shirt Youth Large Long Sleeve Blue StripeOpens in a new window or tabPre-Owned$11.99Was: $14.9920% offor Best Offer+$5.99 deliveryFree returnsExtra 20% off with couponTop Rated Plus
- Prodoh Boys Swim Trunks, Shorts Lined Sz Lg 12/14 Crabs Print Nice!Opens in a new window or tabPre-Owned$29.00or Best Offer+$5.00 delivery
- Vineyard Vines Speckled Camo Youth Swim Trunks Size Large (16)Opens in a new window or tabPre-Owned$10.00or Best Offer+$4.95 delivery
- Nike 1/2 Sleeve Swim Shirt Rash Guard Youth Boys Size Large Heathered Black LogoOpens in a new window or tabPre-Owned$10.00or Best Offer+$4.50 delivery
- Nike Kids Youth Boys Swimsuit Swim Trunks Bathing Suit Blue Green LargeOpens in a new window or tabPre-Owned$15.00or Best Offer+$7.35 delivery
- Boys Chalktalk Sports Baseball Swim Trunks Youth Large BlueOpens in a new window or tabPre-Owned$9.99Time left2d 20hor Best Offer+$7.15 delivery
- Nike Swimsuit Boys L Turtle Shark Fish Crab + Nike Logo Multicolor Lot Of 2Opens in a new window or tabPre-Owned$19.99or Best Offer+$4.84 delivery
- NWOT Polo Ralph Lauren Boys Swim Trunks in Navy Blue, Size LargeOpens in a new window or tabNew (Other)$9.99Time left2d 23hor Best Offer+$8.24 delivery
- Hurley Boys Long Sleeve Moisture Wicking UV T-Shirt 10/12Opens in a new window or tabBrand New$14.69Was: $20.9930% offor Best OfferFree delivery
- Lands End Swim Suit Trunks Boys L 10-12 Color Block Drawstring Mesh LiningOpens in a new window or tabPre-Owned$5.99or Best Offer+$4.84 delivery
- Boys Chalktalk Sports Baseball Swim Trunks Youth Large or XL BlueOpens in a new window or tabBrand New$22.50Was: $25.0010% offor Best Offer+$7.10 delivery
- Cat & Jack Youth Boys Alligator Ice Cream Pink Swim Trunks Shorts Size L 12/14Opens in a new window or tabPre-Owned$8.00or Best Offer+$4.50 delivery
- Patagonia Baggies Swim Outdoor Shorts 5 Lined Afternoon Pink Youth Boys XS 5-6Opens in a new window or tabBrand New$30.00or Best OfferFree delivery
- Cat & Jack Boys' Size Medium(8) Navy Blue Long Sleeve Rash Guard Swim ShirtOpens in a new window or tabBrand New$9.99or Best OfferFree delivery
- Under Armour Youth Swim Trunks Size YLgOpens in a new window or tabPre-Owned$7.50or Best Offer+$4.84 delivery
- Boys LANDS END swim trunks And Rash Guard Sharks M/L Blue Pre-ownedOpens in a new window or tabPre-Owned$5.50Time left1d 14hor Best Offer+$5.80 delivery
- Hurley Swim Trunks Boys Large Lined Essential Base Layer Shorts Black DrawstringOpens in a new window or tabBrand New$11.21Was: $14.9525% offor Best Offer+$5.95 deliveryFree returnsTop Rated Plus
- Nike Boys Board Shorts Youth Size Large (12-13 years) Turquoise & Blue (Used)Opens in a new window or tabPre-Owned$5.95or Best Offer+$4.68 delivery
- 1994 Mighty Morphin Power Rangers Boys Shorts Size Large Vintage Saban 12/14 AOPOpens in a new window or tabPre-Owned$26.24Was: $34.9925% offor Best Offer+$6.55 deliveryFree returns17 watchers
- SPYDER 2 Pc Boys L 14/16 Swim Rash Guard Shirts UPF 30 Sun Protection Blue GreenOpens in a new window or tabPre-Owned$11.16or Best Offer+$5.31 delivery
- Chubbies Youth Havana Nights Swim Trunks Palm Print Drawstring Shorts XS 6/7Opens in a new window or tabNew (Other)$29.99or Best Offer+$4.49 deliveryFree returnsExtra 15% off with couponTop Rated Plus
- QUICKSILVER Board Shorts Boys Large (16-18) Black Spellout Swim TrunksOpens in a new window or tabPre-Owned$3.90Was: $4.8820% offor Best Offer+$5.95 delivery
- Southern Marsh Boy's Swim Trunks Shorts Sz L Mesh Lined DrawstringOpens in a new window or tabPre-Owned$20.00or Best Offer+$4.84 delivery
- Southern Tide Swim Shorts Youth Large 12-14 Blue White Check Quick Dry Beach NEWOpens in a new window or tabBrand New$25.56or Best Offer+$6.25 deliveryFree returnsTop Rated Plus
- Lands’ End Boys Large 10/12 Swim Shorts Trunks Tye Die Print Mesh LinedOpens in a new window or tabNew (Other)$10.00or Best Offer+$4.71 delivery
- Boy's NIKE Blue w/ Orange Nike Swoosh Mesh Lined Swim Shorts Trunks LOpens in a new window or tabPre-Owned$6.99or Best Offer+$8.10 delivery
- OP Ocean Pacific Swim Trunks Boys Large 10-12 Lined Flag USA Board Shorts BeachOpens in a new window or tabPre-Owned$8.09Was: $8.9910% offor Best Offer+$6.99 deliveryFree returns
- Youth Pokémon Boys Pikachu Swim Trunks Swimsuit Shorts Size LargeOpens in a new window or tabPre-Owned$14.99or Best Offer+$4.84 delivery
- Fair Harbor The Anchor Swim Shorts Trunks 6” Youth Large "9-10" Yellow TropicsOpens in a new window or tabPre-Owned$22.45or Best Offer+$6.40 deliveryFree returnsTop Rated Plus
- Cat & Jack Boys Swimsuit Bundle Of 3 Target Swimwear Bathing Palms Dinosaur USAOpens in a new window or tabNew (Other)$15.99or Best Offer+$5.80 delivery
- Boys Southern Marsh Striped Swim Trunks Size Youth Large Red White DrawstringOpens in a new window or tabPre-Owned$12.73or Best Offer+$7.99 delivery
- Polo Ralph Lauren Boys L (14-16) Black Board Shorts Embroidered Big Pony LogoOpens in a new window or tabPre-Owned$8.00or Best Offer+$6.00 deliveryFree returnsTop Rated Plus
- Nike All Over Print With Sharks Boys Size Large Swim Trunks 133Opens in a new window or tabPre-Owned$14.99or Best Offer+$4.59 delivery
- BNWT VOLCOM BOYS SWIM TRUNKS!!! YOUTH L!!!Opens in a new window or tabBrand New$20.00or Best Offer+$6.50 delivery
- Polo Ralph Lauren Polo Bear Performance Rash Guard Little Boy's 4 Multicolor L/SOpens in a new window or tabBrand New$28.39or Best Offer+$5.95 deliveryFree returnsTop Rated Plus
- Items Per Page
![Boys Nike Brand Swim Shorts / Trunks Size Youth Large [ 12 to 13 Years ]](https://i.ebayimg.com/images/g/GHAAAeSwaGRnyb-K/s-l140.jpg)
