302 results
- Lot Of 2 J Crew Crew Cuts Boys Swim Trunks Size 12/13 Elastic Waist, Lined VGUCOpens in a new window or tabPre-Owned$27.00or Best Offer+$6.00 delivery
- Hurley Boy's Checkered Shark Boardshorts, Size 12/26Opens in a new window or tabPre-Owned$14.99or Best OfferFree deliveryFree returnsTop Rated Plus
- Kids Boy Swimwear Mock Neck Swimsuit Comfortable Bathing Suit Quickly-dry BeachOpens in a new window or tabNew (Other)$10.22 to $20.49Was: $22.40Buy It NowFree deliverySave up to 12% when you buy more
- Patagonia Swim Baggies Shorts Kids L (12) Yellow Mesh Lined Trunks Pockets BeachOpens in a new window or tabBrand New$22.93or Best Offer+$6.90 delivery
- Hurley Surf Board Shorts Boys Size 12 Tie Dye Beach Trunks Swim BlueOpens in a new window or tabNew (Other)$14.00Buy It Now+$6.55 delivery
- Hanna Andersson Colorblock Swim Trunks Shorts Red Blue Yellow Boys SZ 150 US 12Opens in a new window or tabPre-Owned$24.990 bids · Time left6d 14h+$5.50 delivery in 2 daysFree returnsTop Rated Plus
- Rip-Curl All Time Re-Mix Boardshorts Boys 12 Blue Striped Swim Trunks 26” WaistOpens in a new window or tabBrand New$19.95or Best Offer+$6.55 delivery
- Crewcuts Boys Swim Trunks Sz 12 NWTOpens in a new window or tabBrand New$15.000 bids · Time left17h 13m$19.99Buy It Now+$4.99 delivery
Picked For You
Top selling items from trusted sellers | Sponsored- Boys 2pcs Geometric Swimsuit Rash Guard Sets Long Sleeve Shirt Top with ShortsOpens in a new window or tab$14.28jolly-elf (4,153) 98%Save up to 12% when you buy more
- Kids Boy Bathing Suit Swimming Swimsuit Quickly-dry Swimwear Beach CostumeOpens in a new window or tab$23.34aperoldson (1,792) 99%
- Boys Bathing Suit Sun Protection Swimsuit Beach Vacation Swimwear Bathing PoolsOpens in a new window or tab$31.34acc_eshop (88,960) 98.2%
- Quiksilver Highlite Arch Boardshorts Boys 26/12 Blue Floral Swimwear JDM1093Opens in a new window or tab$55.00somethingwithsole (31,120) 98.3%
- Kids Boys Swim Top Shorts Casual Swimsuit Summer Beach Swimwear Quick Dry BoardOpens in a new window or tab$22.70centralflash1 (2,535) 98.4%
- Boy Swimsuit Training Jumpsuit Diving Bodysuit Wetsuit Costume Rash Guard BeachOpens in a new window or tab$20.32clearcalling104 (2,251) 99.5%
- Boy Jumpsuit Swimwear Bodysuit One Piece Swimsuit Sport Costume Beach UniformOpens in a new window or tab$21.23savargee (5,901) 98.1%
- Boys Bathing Suit Sun Protection Swimsuit Beach Vacation Swimwear Bathing PoolsOpens in a new window or tab$31.34acc_eshop (88,960) 98.2%
- Quiksilver Little Boy's 6 Acid Five Volley Swim Board Shorts Black Mesh LinedOpens in a new window or tabBrand New$22.00Buy It NowFree delivery
- NWT Salt Life Boys Performance Swim / Active Trunks Size Large 10/12Opens in a new window or tabBrand New$20.00or Best Offer+$4.84 deliveryLast one
- Quiksilver Youth Boys Blue Boardshorts Swim Trunk Drawstring Size 26 NWTOpens in a new window or tabBrand New$26.99or Best Offer+$6.00 delivery
- Hurley Boys’ Swim Wear Set Rash Guard and Swim Trunks Size 10/12Opens in a new window or tabPre-Owned$15.00or Best Offer+$8.24 delivery
- Size 12 Youth Crewcuts by jcrew boys navy blue, blue and green Fish swim trunksOpens in a new window or tabPre-Owned$12.95or Best Offer+$6.55 delivery
- Vans Vanphibian Shorts Boys Size 12 Black Beach Board SurfOpens in a new window or tabPre-Owned$8.77or Best Offer+$6.49 deliveryFree returnsTop Rated Plus
- Mini Boden Swim Trunks Boys 11-12Y Blue Whales Boardshorts Shorts Pool BeachOpens in a new window or tabPre-Owned$19.99or Best Offer+$5.99 deliveryFree returnsTop Rated Plus
- New 12 Striped Boys Swim Trunk Shorts Gray Pockets Adjustable Waist by art classOpens in a new window or tabNew (Other)$7.95or Best Offer+$4.95 deliveryFree returnsTop Rated Plus
- Lands End Youth 2-piece swim set Shorts and hoodie Boys size M 10/12Opens in a new window or tabBrand New$18.89Was: $20.9910% offor Best OfferFree delivery
- Crewcuts Boys Beach Trunks Starfish Print Blue Sz 12 NWTOpens in a new window or tabBrand New$20.00or Best Offer+$4.84 delivery
- Art Class Boys Hybrid Swim Shorts Adj waist UPF Pockets Green Size 12 Husky NewOpens in a new window or tabBrand New$9.99Buy It Now+$4.84 deliveryFree returns
- NWOT HANNA ANDERSSON SUNBLOCK SURF TIDEPOOL S/S SWIM RASH GUARD 150 12 $40Opens in a new window or tabNew (Other)$28.99Buy It Now+$6.20 delivery in 2-4 days
From our popular brands
Based on number of views and purchases | Sponsored- HurleyHurley Boy's Checkered Shark Boardshorts, Size 12/26Opens in a new window or tabPre-Owned$14.99Free delivery
- PatagoniaPatagonia Swim Baggies Shorts Kids L (12) Yellow Mesh Lined Trunks Pockets BeachOpens in a new window or tabBrand New$22.93+$6.90 delivery
- ArtNew 12 Striped Boys Swim Trunk Shorts Gray Pockets Adjustable Waist by art classOpens in a new window or tabNew (Other)$7.95+$4.95 delivery
- HurleyHurley Swim Trunks Boys 12 Gray Outdoors Board Shorts Beach Pool Youth KidsOpens in a new window or tabPre-Owned$6.00+$5.95 deliveryExtra 15% off with coupon
- CrewcutsCrewcuts Swimwear Shorts Boy's Size 12 Floral UPF 50+Opens in a new window or tabBrand New$34.99+$6.55 delivery
- QuiksilverQuiksilver Boys Size 12 / Medium White Checkered Long Sleeve RashGuard Sun ShirtOpens in a new window or tabPre-Owned$9.19+$5.49 delivery
- CrewcutsJ Crew Crewcuts Boys Swim Trunks 12 UPF 50+ Orange Print Preppy Beach PoolOpens in a new window or tabPre-Owned$24.99+$6.55 delivery
- QuiksilverQuiksilver Youth Boys Blue Boardshorts Swim Trunk Drawstring Size 26 NWTOpens in a new window or tabBrand New$26.99+$6.00 delivery
- PatagoniaPatagonia Boys Swim Trunks Board Shorts Surf Beach Bathing Suit SZ L (12)Opens in a new window or tabPre-Owned$19.99+$5.99 delivery
- GapGAP Surf Kids Board Swim Shorts Boy XL (12) Reg Navy & Red Striped Very Nice EUCOpens in a new window or tabPre-Owned$11.99+$6.00 delivery
- ArtArt Class Boardshorts Boys 12 Striped Blue Green HombreOpens in a new window or tabPre-Owned$7.92+$8.57 delivery
- ColumbiaColumbia Plaid Swimming Trunks Shorts Mesh Lined Blue/Yellow/Green Size Kid's 12Opens in a new window or tabPre-Owned$11.06+$4.99 delivery
- Patagonia Baggies (Lot of 2) Boy Med 10 Swim Short Lined Trunks Size L (12)Opens in a new window or tabPre-Owned$39.95or Best Offer+$5.95 delivery
- Boys 2pcs Geometric Swimsuit Rash Guard Sets Long Sleeve Shirt Top with ShortsOpens in a new window or tabNew (Other)$6.96 to $15.32Was: $15.19Buy It NowFree deliverySave up to 12% when you buy more
- Bermies Boys Crazy Flamingo Swim Trunks 12 Blue Pink UPF Resort Preppy BeachOpens in a new window or tabPre-Owned$19.99or Best Offer+$6.55 delivery
- NWT Salt Life Boys Performance Swim Trunks Size Large 10/12Opens in a new window or tabBrand New$20.00or Best Offer+$4.84 delivery
- Crewcuts Swimwear Shorts Boy's Size 12 Floral UPF 50+Opens in a new window or tabBrand New$34.99or Best Offer+$6.55 delivery
- Boy's Youth Volcom Modtech 4 Way Stretch Board Shorts Swim size 12 (26) newOpens in a new window or tabBrand New$17.99Buy It Now+$4.71 deliveryFree returnsExtra 20% off with couponTop Rated Plus
- Boys Nike Brand Swim Shorts / Trunks Size Youth Large [ 12 to 13 Years ]Opens in a new window or tabPre-Owned$6.75Buy It Now+$4.84 delivery
- NEW Boys Nautica Octopus Beach Cover Up Robe Size L 10/12Opens in a new window or tabNew (Other)$14.99or Best Offer+$9.45 delivery
- Hurley Swim Trunks Boys 12 Gray Outdoors Board Shorts Beach Pool Youth KidsOpens in a new window or tabPre-Owned$6.00Was: $19.9970% offor Best Offer+$5.95 delivery in 2-4 daysFree returnsExtra 15% off with couponTop Rated Plus
- Boys Swimsuits Beach Swimwear Mock Neck Bathing Suits Water Costume Quickly-dryOpens in a new window or tabNew (Other)$9.95 to $16.88Was: $18.35Buy It NowFree deliveryfrom China
- Kids Boys Swimsuit Gymnastics Swimwear Unitards Beachwear Beach Bodysuit ModestOpens in a new window or tabNew (Other)$10.23 to $18.57Was: $19.50Buy It NowFree deliveryfrom China
- Hurley Board Shorts Boys Size 12 Stripped Beach Pool Summer TimeOpens in a new window or tabBrand New$9.50Was: $19.0050% offor Best Offer+$5.99 delivery in 2-4 daysFree returnsTop Rated Plus
- hanna andersson swim rash guard size 12 orange excellent conditionOpens in a new window or tabPre-Owned$9.000 bids · Time left2d 7h$11.70Buy It Now+$6.84 delivery
- Patagonia Boys Size 12 Wavefarer Board Shorts Summer Orange Blue Palm LeavesOpens in a new window or tabPre-Owned$7.00or Best Offer+$4.71 deliveryFree returns
- MC2 Saint Barth Boys Swim Beach Trunks Shorts Made In Italy Bright Camo 12YOpens in a new window or tabPre-Owned$49.00or Best Offer+$8.10 delivery in 2-4 days
- E Land Boys Red Tropical Swim Trunks 12 Shorts American Classic Floral Pull OnOpens in a new window or tabPre-Owned$13.99Buy It Now+$6.55 delivery
- Hanna Andersson Star Wars Rash Guard Size 12 150 CM Darth Vader Black RedOpens in a new window or tabPre-Owned$15.00or Best Offer+$4.85 delivery
- NWT J. Crew Crewcuts Boys Swim Shorts Navy Blue And Colorful Frogs Size 12Opens in a new window or tabBrand New$23.00Buy It Now+$8.71 delivery
- NWT, Boy Swimming Trunks Set of 2, Size Boy 10 And 12/14Opens in a new window or tabBrand New$18.99Buy It Now+$8.52 delivery
- Kids Boys Rash Guard Swim Trunk Set Camouflage Bathing Suit Pool Beach SwimwearOpens in a new window or tabNew (Other)$18.22 to $19.74Buy It NowFree deliveryfrom China
- Nike Boys Swim Trunks Sz L , Sz 12, Neon Beach! Summer! Pool!Opens in a new window or tabPre-Owned$12.56or Best Offer+$6.57 delivery
- NEW Hurley sz 12 solid heather blue boys swim board shorts swimsuitOpens in a new window or tabBrand New$18.88Buy It Now+$5.00 delivery
- NWOT Patagonia Clean Currents Tide-pool Blue Swim Trunks Kids L/12Opens in a new window or tabNew (Other)$24.95or Best Offer+$5.95 delivery in 2-4 days
- Art Class Swim Shorts Boys 12 Husky Teal Adjustable Waist Webbed Pockets NWTOpens in a new window or tabBrand New$9.89Buy It Now+$4.88 delivery in 2-4 days
- Art Class Boys Swimming Trunks Size 12 NEWOpens in a new window or tabBrand New$9.99Buy It NowFree delivery
- NWT Laguna Youth Boy's Reflections Swim Trunk Sz 10/12Opens in a new window or tabBrand New$19.99Buy It Now+$6.40 delivery
- Quicksilver Boardshort Highline Camocat 4 Way Stretch Boys SZ 12 Beach ShortsOpens in a new window or tabPre-Owned$24.99or Best Offer+$7.00 delivery
- J Crew Crewcuts Boys Swim Trunks 12 UPF 50+ Orange Print Preppy Beach PoolOpens in a new window or tabPre-Owned$24.99or Best Offer+$6.55 delivery
- *NWT * BODY GLOVE KIDS * Boy’s 2 Piece Swim Set Size 12 * 50 UPFOpens in a new window or tabBrand New$16.75or Best Offer+$7.79 delivery
- Hurley Ombre Boardshorts Boys' 12/26Starfish Orange 8 " InseamOpens in a new window or tabBrand New$19.99Buy It Now+$4.52 delivery
- Crewcuts Swim Trunks Boys 12 Lined Gingham Green Blue Ocean Beach VacationOpens in a new window or tabPre-Owned$19.99or Best Offer+$4.71 deliveryFree returnsTop Rated Plus
- Art Class Black Striped Swim Trunks Boy's Size 12Opens in a new window or tabBrand New$20.39Was: $23.9915% offBuy It NowFree deliveryFree returnsTop Rated Plus
- Boys NEW Swim Trunks Flamingo Beach Shorts, Sz 11-12, NWT, Black, DrawstringOpens in a new window or tabBrand New$17.29Buy It NowFree delivery
- South End Beach Haven NJ Rash Guard Beach Swim UPF Long Sleeve Shirt BOYS 12 LOpens in a new window or tabPre-Owned$9.99or Best Offer+$5.99 delivery
- NWT Salt Life Boys Performance Swim Trunks Size Large 10/12Opens in a new window or tabBrand New$20.00or Best Offer+$4.84 delivery
- 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 2-4 daysFree returnsTop Rated Plus
- CABANA LIFE Big Boy's 12 Charleston Stripe Swim Trunks NWTOpens in a new window or tabBrand New$22.99Buy It Now+$6.55 delivery
- Speedo Swim Trunks Boys Size 12 Turkish Blue Spring Summer Swimming Board ShortsOpens in a new window or tabBrand New$12.74Was: $14.9915% offor Best Offer+$8.71 deliveryFree returnsTop Rated Plus
- 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
- NWT Under Armour Boys M 10 / 12 Swim Trunks Board Shorts UPF 50+Opens in a new window or tabBrand New$19.99Buy It Now+$5.95 delivery in 2-4 days
- Hurley Kids' Boys' Youth Striped Logo Boardshorts - Navy/LimeOpens in a new window or tabBrand New$19.99List price: $50.0060% offBuy It NowFree delivery in 2-4 daysBuy 1, get 1 20% off with coupon
- Patagonia Kid's Costa Rica Baggies Shorts 3" Unlined Unisex Kids Size L (12)Opens in a new window or tabBrand New$29.97or Best Offer+$5.75 delivery
- Quiksilver Boardshorts Boys Size 5 Magic Tape Volley Boy 12 Blue Swim NWTOpens in a new window or tabBrand New$18.00Buy It Now+$6.55 delivery
- NWT Salt Life Boys Performance Swim Trunks Size Large 10/12Opens in a new window or tabBrand New$20.00or Best Offer+$4.84 delivery
- Rip Curl Boy's Corpo LS Surf Shirt - Turquoise - New - Size 12Opens in a new window or tabBrand New$27.99or Best Offer+$4.44 delivery
- Zeroxposur Youth Swim Trunks Board Shorts Size Medium 10/12Opens in a new window or tabPre-Owned$7.90or Best Offer+$4.99 delivery
- Tom & Teddy boys swim trunks light blue with seagulls size 11/12Opens in a new window or tabPre-Owned$15.00or Best Offer+$8.84 delivery
- Vans Vanphibian Shorts Boys Size 12 Black Beach Board SurfOpens in a new window or tabPre-Owned$10.00or Best Offer+$4.84 delivery
- *NWT * BODY GLOVE KIDS * Boy’s 2 Piece Swim Set Size 12 * 50 UPFOpens in a new window or tabBrand New$16.75or Best Offer+$7.79 delivery
- Beach Bros Swimwear Boys 12 Blue Trunks Quick Dry Draw String NewOpens in a new window or tabBrand New$9.92Was: $16.5340% offor Best Offer+$6.55 delivery
- Boys 12 Janie And Jack Camel Boardshort Style Swim Trunks Elastic Waist Pull OnOpens in a new window or tabPre-Owned$14.40or Best Offer+$5.50 delivery
- NWT Art Class - Boys Size: 12 UPF 50+ Striped Swim Trunks ShortsOpens in a new window or tabBrand New$20.00or Best Offer+$10.45 delivery
- Bermies Kid Boy's Swim Shorts Trunks in Bayside Colorblock sz 12 NWOT Father/SonOpens in a new window or tabBrand New$29.95or Best Offer+$4.99 delivery
- Place Sports Boys Swim Shorts Blue Palm Trees Lined Elastic Tie Waist Size 10/12Opens in a new window or tabPre-Owned$11.99or Best Offer+$6.00 deliveryFree returnsExtra 25% off with coupon
- Quad Seven Boys Swim Trunks Swim Shorts size (12/14)Opens in a new window or tabBrand New$12.60Was: $14.0010% offBuy It Now+$6.99 deliveryFree returns2 watchers
- 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)
