285 results
- Patagonia Swim Baggies Shorts Kids L (12) Yellow Mesh Lined Trunks Pockets BeachOpens in a new window or tabBrand New$20.18Was: $22.9312% offor Best Offer+$6.90 delivery
- Boy's Mott50 Hawaiian Swim Shorts Size 12Opens in a new window or tabPre-Owned$22.50Was: $25.0010% offBuy It Now+$4.71 deliveryExtra 20% off with coupon
- Place Sports Boys Swim Trunks Blue Palm Trees Lined Drawstring Waist Size 10/12Opens in a new window or tabPre-Owned$11.99or Best Offer+$6.00 deliveryFree returnsExtra 25% off with coupon
- Hurley Boy's Checkered Shark Boardshorts, Size 12/26Opens in a new window or tabPre-Owned$14.99or Best OfferFree deliveryFree returnsTop Rated Plus
- Kanu Swimsuit Trunks Shorts Boys Size M 10/12Opens in a new window or tabBrand New$18.99Buy It Now+$7.00 delivery
- AUTH NEW GIVENCHY PARIS RED LOGO PRINT BOYS SWIM SHORTS TRUNKS PANTS SZ 12+ $220Opens in a new window or tabNew (Other)$85.00or Best Offer+$4.95 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
- 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
Picked For You
Top selling items from trusted sellers | Sponsored- Quiksilver Highlite Arch Boardshorts Boys 26/12 Blue Floral Swimwear JDM1093Opens in a new window or tab$55.00somethingwithsole (31,149) 98.2%
- Art Class Boys Size 12 Striped Swim Shorts Board Shorts Mesh Lined Swimsuit NewOpens in a new window or tab$16.33jenifergreatfinds (4,581) 98.2%Extra 25% off with coupon
- BOY’S JOHNNIE-O Boys SWIM TRUNKS Shorts - SIZE 12 *****READ*** BlueOpens in a new window or tab$22.99thatchickfromthegym (2,439) 99.5%
- Hurley Kids' Boys' Youth Color Block Logo Boardshorts - Black/Aqua/FluorescentOpens in a new window or tab$19.99sonicgears (68,811) 99.6%Buy 1, get 1 20% off with coupon
- Hurley Kids' Boys' Youth Striped Logo Boardshorts - Navy/LimeOpens in a new window or tab$19.99sonicgears (68,811) 99.6%Buy 1, get 1 20% off with coupon
- Quiksilver Kids Taxer Walk Short Surf Surfing Swim Swimming Beach BoardshortOpens in a new window or tab$42.00avenue85uk (380,834) 99.6%
- Lee Cooper Boys' Swim Trunks. Color Black. Gift For Child Aged 4 ToOpens in a new window or tab$17.38a-bijoux (11,114) 99.4%
- Vintage 90s Bugle Boy Neon Colorblock Surf Swim Trunks Bathing Suit Youth 10/12Opens in a new window or tabPre-Owned$17.99or Best Offer+$6.80 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
- 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
- Free Country Boys Swim shirt/ Size M 10/12Opens in a new window or tabPre-Owned$6.990 bids · Time left3d 16h$9.99Buy It Now+$6.36 delivery
- Abercrombie & Fitch Kids Swim Trunks Shorts Boys Size 11/12 RedOpens in a new window or tabPre-Owned$12.00Was: $24.0050% offor Best Offer+$5.75 deliveryExtra 10% off with coupon
- Quiksilver Highlite Arch Boardshorts Boys 26/12 Blue Floral Swimwear JDM1093Opens in a new window or tabBrand New$55.00Buy It NowFree deliveryFree returnsTop Rated Plus
- BOY’S JOHNNIE-O SWIM TRUNKS - SIZE 12Opens in a new window or tabPre-Owned$16.00Was: $20.0020% offor 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
- 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 left3d 20h+$5.50 delivery in 2 daysFree returnsTop Rated Plus
- Rip Curl Boy's Corpo LS Surf Shirt - Turquoise - New - Size 12Opens in a new window or tabBrand New$24.99or Best Offer+$4.44 deliveryBenefits charity
- 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
- Sun Protection Zone Spring Suit Boys Size 12 Wetsuit Swim Ocean Beach BlueOpens in a new window or tabPre-Owned$27.75or Best Offer+$7.85 delivery in 2-3 days
From our popular brands
Based on number of views and purchases | Sponsored- PatagoniaPatagonia Swim Baggies Shorts Kids L (12) Yellow Mesh Lined Trunks Pockets BeachOpens in a new window or tabBrand New$20.18+$6.90 delivery
- HurleyHurley Boy's Checkered Shark Boardshorts, Size 12/26Opens in a new window or tabPre-Owned$14.99Free delivery
- QuiksilverQuiksilver Highlite Arch Boardshorts Boys 26/12 Blue Floral Swimwear JDM1093Opens in a new window or tabBrand New$55.00Free delivery
- NikeNew! Boy's NIKE Green Logo Swim Trunks Size Medium 10/12Opens in a new window or tabBrand New$29.95+$5.95 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
- 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
- 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$12.95+$5.49 delivery
- CrewcutsCrewcuts Swim Trunks Boys 12 Lined Gingham Green Blue Ocean Beach VacationOpens in a new window or tabPre-Owned$19.99+$4.71 delivery
- ArtNew 12 Striped Boys Swim Trunk Shorts Gray Pockets Adjustable Waist by art classOpens in a new window or tabNew (Other)$5.57+$4.95 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$11.31+$8.57 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
- 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
- Bermies size 12 swim trunks boys beach pool shortsOpens in a new window or tabNew (Other)$22.50or Best Offer+$6.55 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
- 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
- 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
- Regatta Kids Katrisse One Piece Holiday Beach Swim Swimming Suit CostumeOpens in a new window or tabBrand New$25.00 to $27.00List price: $33.9921% offBuy It NowFree deliveryfrom United Kingdom
- 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
- New! Boy's NIKE Green Logo Swim Trunks Size Medium 10/12Opens in a new window or tabBrand New$29.95or Best Offer+$5.95 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
- 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
- LACOSTE Boys Swim Shorts Size 12 Lacoste Logo 1927Opens in a new window or tabPre-Owned$17.99or Best Offer+$8.99 deliveryFree returns
- 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 Surf Board Shorts Boys Size L (14-16)Tie Dye Beach Trunks Swim BlueOpens in a new window or tabBrand New$15.00Buy It Now+$4.84 delivery
- CABANA LIFE Big Boy's 8, 12 Long Sleeve Colorblock Blue Rashguard Shirt NWTOpens in a new window or tabBrand New$22.99Buy It Now+$6.55 delivery
- Hurley Boy's Boardshorts, Size 12/26Opens in a new window or tabPre-Owned$5.00or Best Offer+$6.29 delivery
- New Hurley Kids Blue Boardshorts Swim Shorts Youth Boys Size 12 26Opens in a new window or tabBrand New$22.00or Best Offer+$4.00 delivery
- Hurley Floral Board Shorts Size 12 / 26 Black Multicolor FloralOpens in a new window or tabPre-Owned$5.00or Best Offer+$6.29 delivery
- 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
- 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
- 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
- Speedo Youth Size 12 Black Swim Jammers - NWT!Opens in a new window or tabBrand New$9.95Buy It Now+$9.95 delivery
- Boys Hurley Multicolor Striped Swim Trunks Board Shorts Size 12/26Opens in a new window or tabPre-Owned$5.00or Best Offer+$6.29 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
- Quicksilver Boys Youth Size 12/26 High line Board Shorts Hawaii Blue SwimOpens in a new window or tabPre-Owned$5.00or Best Offer+$6.29 delivery
- hanna andersson blue and white striped size 12 swimtrunksOpens in a new window or tabPre-Owned$9.990 bids · Time left3d 22h$12.99Buy It Now+$6.84 delivery
- New 12 Striped Boys Swim Trunk Shorts Gray Pockets Adjustable Waist by art classOpens in a new window or tabNew (Other)$5.57Was: $7.9530% offor Best Offer+$4.95 deliveryFree returnsTop Rated Plus
- 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
- 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
- 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
- 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 Laguna Youth Boy's Reflections Swim Trunk Sz 10/12Opens in a new window or tabBrand New$19.99Buy It Now+$6.40 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 2-3 daysFree returnsTop Rated Plus
- Volcom Boys 12 Blue Ice Plaid Boardshorts Swim Surf Trunks Pocket Logo SpelloutOpens in a new window or tabPre-Owned$20.00or Best Offer+$7.35 deliveryFree returnsTop Rated Plus
- 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
- 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
- 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
- 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
- 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
- Air Jordan Boys Light Blue Lined Swim Shorts size 12-13Opens in a new window or tabPre-Owned$15.20Was: $19.0020% offor Best Offer+$4.84 delivery
- PATAGOINA Wavefarer Board Shorts Swim Trunks Blue Boys 12 Gray Camouflage CargoOpens in a new window or tabPre-Owned$10.00Was: $19.9950% offor Best Offer+$7.99 deliveryFree returnsExtra 25% off with couponTop Rated Plus
- 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
- Art Class Swim Shorts Boys 12 Husky Teal Adjustable Waist Webbed Pockets NWTOpens in a new window or tabBrand New$8.89Buy It Now+$4.88 delivery
- Vans Shorts Boys Size 12 Hybrid Black White All Over Print Vanphibian BeachOpens in a new window or tabPre-Owned$8.97Was: $14.9540% offor Best Offer+$5.95 delivery in 2-4 daysFree returnsExtra 20% off with couponTop Rated Plus
- New With Tags Boys Volcom Swim Trunks Board Shorts Red Plaid Size 26/12Opens in a new window or tabBrand New$21.00or Best Offer+$4.52 delivery in 2-4 days
- 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
- 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
- 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
- Art Class Boys Hybrid Swim Shorts Trunks UPF Pockets Green Size 12 Husky NewOpens in a new window or tabBrand New$9.99Buy It Now+$6.00 deliveryExtra 10% off with coupon
- 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
- 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
- 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 2-3 days
- 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
- 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 deliveryFree returnsTop Rated Plus
- Patagonia Boys Swim Trunks Board Shorts Surf Beach Bathing Suit SZ L (12)Opens in a new window or tabPre-Owned$19.99or Best Offer+$5.99 delivery
- 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)
