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      • Boys' Clothing (Sizes 4 & Up)
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131 results

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    • Abercrombie Kids Swim Trunks Boys 11 12 Colorful Stripe Beach Set of 2 Swimwear
      Abercrombie Kids Swim Trunks Boys 11 12 Colorful Stripe Beach Set of 2 Swimwear
      Opens in a new window or tab
      Pre-Owned
      $20.99
      Buy It Now
      +$6.99 delivery
      Free returns
      Extra 10% off with coupon
      Sponsored
    • Vilebrequin Swimming Trunks Boys Size 12 ANS Fish Print Elastic Waist Mesh Lined
      Vilebrequin Swimming Trunks Boys Size 12 ANS Fish Print Elastic Waist Mesh Lined
      Opens in a new window or tab
      Pre-Owned
      $32.95
      or Best Offer
      +$5.99 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Place Sports Boys Swim Trunks Blue Palm Trees Lined Drawstring Waist Size 10/12
      Place Sports Boys Swim Trunks Blue Palm Trees Lined Drawstring Waist Size 10/12
      Opens in a new window or tab
      Pre-Owned
      $11.99
      or Best Offer
      +$6.00 delivery
      Free returns
      Extra 25% off with coupon
      Sponsored
    • Boys Mini Boden Swim Trunks Tartan Plaid Cargo Orange Lined Board Shorts 11-12Yr
      Boys Mini Boden Swim Trunks Tartan Plaid Cargo Orange Lined Board Shorts 11-12Yr
      Opens in a new window or tab
      Pre-Owned
      $14.00
      or Best Offer
      +$5.95 delivery
      Sponsored
    • Boy's Youth Hurley Board Shorts Swim NEW
      Boy's Youth Hurley Board Shorts Swim NEW
      Opens in a new window or tab
      Brand New
      $19.99
      Buy It Now
      Free delivery in 2-4 days
      Free returns
      Sponsored
      Top Rated Plus
    • Speedo Youth Size 12 Black Swim Jammers - NWT!
      Speedo Youth Size 12 Black Swim Jammers - NWT!
      Opens in a new window or tab
      Brand New
      5.0 out of 5 stars.
      (1)1 product rating - Speedo Youth Size 12 Black Swim Jammers - NWT!
      $6.95
      Buy It Now
      +$6.99 delivery
      Sponsored
    • Speedo Youth Size 12 Black Swim Jammers - NWT!
      Speedo Youth Size 12 Black Swim Jammers - NWT!
      Opens in a new window or tab
      Brand New
      5.0 out of 5 stars.
      (1)1 product rating - Speedo Youth Size 12 Black Swim Jammers - NWT!
      $14.95
      Buy It Now
      Free delivery
      Sponsored
    • Size 12 Youth Crewcuts by jcrew boys navy blue, blue and green Fish swim trunks
      Size 12 Youth Crewcuts by jcrew boys navy blue, blue and green Fish swim trunks
      Opens in a new window or tab
      Pre-Owned
      $12.95
      or Best Offer
      +$6.55 delivery
      Sponsored
    • Crewcuts J Crew Kids Boys Shorts Swim Trunks Green White Stripe Mesh Lining 12
      Crewcuts J Crew Kids Boys Shorts Swim Trunks Green White Stripe Mesh Lining 12
      Opens in a new window or tab
      Pre-Owned
      $18.75
      or Best Offer
      +$4.84 delivery
      Sponsored
    • NWT Boys CREWCUTS Blue & White Pinstriped Seersucker Swim Trunks Bathing Suit 12
      NWT Boys CREWCUTS Blue & White Pinstriped Seersucker Swim Trunks Bathing Suit 12
      Opens in a new window or tab
      Brand New
      $24.50
      or Best Offer
      +$6.55 delivery
      Sponsored
    • Abercrombie Kids Boys Size 11-12  Pink White Stripe Swim Board Shorts Trunks
      Abercrombie Kids Boys Size 11-12 Pink White Stripe Swim Board Shorts Trunks
      Opens in a new window or tab
      Pre-Owned
      $11.99
      or Best Offer
      +$5.10 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Nickelodeon Teenage Mutant Ninja Turtles Swim Trunks Shorts Boy Size 10/12
      Nickelodeon Teenage Mutant Ninja Turtles Swim Trunks Shorts Boy Size 10/12
      Opens in a new window or tab
      Pre-Owned
      $12.00
      or Best Offer
      +$4.84 delivery
      Sponsored
    • Mini Boden Boys 11-12Y Jungle Print Lined Swim Trunks Swim Suit Board Shorts
      Mini Boden Boys 11-12Y Jungle Print Lined Swim Trunks Swim Suit Board Shorts
      Opens in a new window or tab
      Pre-Owned
      $12.99
      Buy It Now
      +$6.55 delivery
      Sponsored
    • New! Boy's Under Armour Logo Swim Trunks Size Medium 10/12
      New! Boy's Under Armour Logo Swim Trunks Size Medium 10/12
      Opens in a new window or tab
      Brand New
      $29.95
      or Best Offer
      +$5.95 delivery
      Sponsored
    • Andy & Evan Boys Size 11/12 Blue Lime Lemon Fruit Pattern Swim Trunks Lined
      Andy & Evan Boys Size 11/12 Blue Lime Lemon Fruit Pattern Swim Trunks Lined
      Opens in a new window or tab
      Pre-Owned
      $10.00
      Was: $19.9950% off
      or Best Offer
      +$7.35 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Nike 6.0 Boys Cargo Board Shorts - Size 12
      Nike 6.0 Boys Cargo Board Shorts - Size 12
      Opens in a new window or tab
      Pre-Owned
      $11.31
      Was: $17.9537% off
      or Best Offer
      +$5.40 delivery
      Sponsored
    • Speedo Youth Size 12 Black Swim Jammers - NWT!
      Speedo Youth Size 12 Black Swim Jammers - NWT!
      Opens in a new window or tab
      Brand New
      5.0 out of 5 stars.
      (1)1 product rating - Speedo Youth Size 12 Black Swim Jammers - NWT!
      $15.00
      or Best Offer
      +$6.00 delivery
      Extra 10% off with coupon
      Sponsored
    • Boys Swim 11/12 Abercrombie Kids Brand New With Tags
      Boys Swim 11/12 Abercrombie Kids Brand New With Tags
      Opens in a new window or tab
      Brand New
      $10.99
      or Best Offer
      +$4.84 delivery
      Sponsored
    • Under Armour Boys Size YM Swimming Trunks Shorts  Blue Orange Elastic Waist
      Under Armour Boys Size YM Swimming Trunks Shorts Blue Orange Elastic Waist
      Opens in a new window or tab
      Pre-Owned
      $14.99
      Buy It Now
      +$5.99 delivery
      Sponsored
    •  Town And Ivy Boys Pink Flamingo Swim Trunks Size Med 10/12
      Town And Ivy Boys Pink Flamingo Swim Trunks Size Med 10/12
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      Pre-Owned
      $20.00
      or Best Offer
      Free delivery
      Sponsored
    • From our popular brands

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        • Vilebrequin Swimming Trunks Boys Size 12 ANS Fish Print Elastic Waist Mesh Lined
          Vilebrequin
          Vilebrequin Swimming Trunks Boys Size 12 ANS Fish Print Elastic Waist Mesh Lined
          Opens in a new window or tab
          Pre-Owned
          $32.95
          +$5.99 delivery
        • Nike 6.0 Boys Cargo Board Shorts - Size 12
          Nike
          Nike 6.0 Boys Cargo Board Shorts - Size 12
          Opens in a new window or tab
          Pre-Owned
          $11.31
          +$5.40 delivery
        • Speedo Shorts Boys 12 Black Jammer Nylona Spandex Blend Drawstring Swim
          Speedo
          Speedo Shorts Boys 12 Black Jammer Nylona Spandex Blend Drawstring Swim
          Opens in a new window or tab
          Pre-Owned
          $13.19
          +$4.94 delivery
          Extra 25% off with coupon
        • Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Buckhorn Green  Size L (12)
          Patagonia
          Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Buckhorn Green Size L (12)
          Opens in a new window or tab
          Brand New
          $44.00
          +$5.89 delivery
          Extra 23% off
        • Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Vessel Blue  Size L(12)
          Patagonia
          Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Vessel Blue Size L(12)
          Opens in a new window or tab
          Brand New
          $44.00
          +$5.89 delivery
          Extra 23% off
        • Boy's Youth Hurley Board Shorts Swim NEW
          Hurley
          Boy's Youth Hurley Board Shorts Swim NEW
          Opens in a new window or tab
          Brand New
          $19.99
          Free delivery
        • Vilebrequin Boys Kids Swim Suit Trunks Lined Size 12 Multicolored Music Theme.
          Vilebrequin
          Vilebrequin Boys Kids Swim Suit Trunks Lined Size 12 Multicolored Music Theme.
          Opens in a new window or tab
          Pre-Owned
          $85.00
          +$19.10 delivery
        • Hurley Boys Floral Hawaiian Swim Trunks Board Shorts Lined M Medium 10/12
          Hurley
          Hurley Boys Floral Hawaiian Swim Trunks Board Shorts Lined M Medium 10/12
          Opens in a new window or tab
          Pre-Owned
          $8.79
          +$6.20 delivery
        • COLUMBIA Sandy Shores Camo/Camouflage Boardshorts/Swim Trunks-Youth M/10/12
          Columbia
          COLUMBIA Sandy Shores Camo/Camouflage Boardshorts/Swim Trunks-Youth M/10/12
          Opens in a new window or tab
          Brand New
          $30.00
          +$8.84 delivery
        • Crewcuts Swim Trunks Boys 12 Lined Gingham Green Blue Ocean Beach Vacation
          Crewcuts
          Crewcuts Swim Trunks Boys 12 Lined Gingham Green Blue Ocean Beach Vacation
          Opens in a new window or tab
          Pre-Owned
          $19.99
          +$4.71 delivery
        • Art Class Kids Boy's Size 12 Swim Trunks Shorts Light Pink Peach UPF 50+
          Art
          Art Class Kids Boy's Size 12 Swim Trunks Shorts Light Pink Peach UPF 50+
          Opens in a new window or tab
          Brand New
          $9.99
          +$6.55 delivery
          Extra 10% off with coupon
        • Gap Kids Seismic Map & Color Block Mesh Lined Swim Trunks  Boys Size XL (12)
          Gap
          Gap Kids Seismic Map & Color Block Mesh Lined Swim Trunks Boys Size XL (12)
          Opens in a new window or tab
          Pre-Owned
          $12.99
          +$9.00 delivery
    • Boys Size Large (12 / 14) Swim Trunks Swim Shorts Blue & Sharks NEW
      Boys Size Large (12 / 14) Swim Trunks Swim Shorts Blue & Sharks NEW
      Opens in a new window or tab
      New (Other)
      $8.00
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      +$6.62 delivery
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    • Mini Boden Boys 11-12Y Green White Checked Stretch Swim Trunks Suit Board Shorts
      Mini Boden Boys 11-12Y Green White Checked Stretch Swim Trunks Suit Board Shorts
      Opens in a new window or tab
      Pre-Owned
      $12.99
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      +$6.55 delivery
      Sponsored
    • SPYDER 3 Pc Boys Swim Set Rashguard UPF 30+ Sun Protection, Size M 10/12
      SPYDER 3 Pc Boys Swim Set Rashguard UPF 30+ Sun Protection, Size M 10/12
      Opens in a new window or tab
      Brand New
      $18.00
      or Best Offer
      +$7.01 delivery
      Sponsored
    • Tom & Teddy 3 Pair Swim Trunks Boys Size 11/12 Mesh Lined Print~ Lobster, Etc
      Tom & Teddy 3 Pair Swim Trunks Boys Size 11/12 Mesh Lined Print~ Lobster, Etc
      Opens in a new window or tab
      Pre-Owned
      $42.00
      or Best Offer
      +$8.71 delivery
      Sponsored
    • Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Buckhorn Green  Size L (12)
      Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Buckhorn Green Size L (12)
      Opens in a new window or tab
      Brand New
      $44.00
      or Best Offer
      +$5.89 delivery
      Extra 23% off
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    • OP Board Shorts Boys Blue Lined Swim Trunks Size 10/12
      OP Board Shorts Boys Blue Lined Swim Trunks Size 10/12
      Opens in a new window or tab
      Pre-Owned
      $15.00
      Buy It Now
      Free delivery
      Sponsored
    • Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Vessel Blue  Size L(12)
      Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Vessel Blue Size L(12)
      Opens in a new window or tab
      Brand New
      $44.00
      or Best Offer
      +$5.89 delivery
      Extra 23% off
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    • BOARDIES SWIM TRUNKS SHORTS Sz 11 - 12 EUC
      BOARDIES SWIM TRUNKS SHORTS Sz 11 - 12 EUC
      Opens in a new window or tab
      Pre-Owned
      $16.00
      Buy It Now
      +$5.00 delivery
      Sponsored
    • Speedo Shorts Boys 12 Black Jammer Nylona Spandex Blend Drawstring Swim
      Speedo Shorts Boys 12 Black Jammer Nylona Spandex Blend Drawstring Swim
      Opens in a new window or tab
      Pre-Owned
      5.0 out of 5 stars.
      (1)1 product rating - Speedo Shorts Boys 12 Black Jammer Nylona Spandex Blend Drawstring Swim
      $13.19
      Was: $23.9945% off
      or Best Offer
      +$4.94 delivery
      Free returns
      Extra 25% off with coupon
      Sponsored
      Top Rated Plus
    • Abercrombie Kids Swim Trunks Bathing Suit Confetti  Board Shorts Kids Size 11/12
      Abercrombie Kids Swim Trunks Bathing Suit Confetti Board Shorts Kids Size 11/12
      Opens in a new window or tab
      Pre-Owned
      $12.99
      or Best Offer
      +$8.71 delivery
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    • E Land Boys Red Tropical Swim Trunks 12 Shorts American Classic Floral Pull On
      E Land Boys Red Tropical Swim Trunks 12 Shorts American Classic Floral Pull On
      Opens in a new window or tab
      Pre-Owned
      $13.99
      or Best Offer
      +$6.55 delivery
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    • Quad Seven Swim Trunks Shorts Boy’s 12 14 Multicolor Shark Print Elastic Waist
      Quad Seven Swim Trunks Shorts Boy’s 12 14 Multicolor Shark Print Elastic Waist
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      Pre-Owned
      $12.99
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      +$6.75 delivery
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    • Disney Store Toy Story Swim Trunks Boys 11/12 Buzz Woody Swimsuit Lined NWT
      Disney Store Toy Story Swim Trunks Boys 11/12 Buzz Woody Swimsuit Lined NWT
      Opens in a new window or tab
      Brand New
      $16.00
      Was: $20.0020% off
      or Best Offer
      +$7.00 delivery
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    • EUC Gap Kids Boys 12 XL Colorful Shark Fish Swim Board Shorts Trunks Navy Blue
      EUC Gap Kids Boys 12 XL Colorful Shark Fish Swim Board Shorts Trunks Navy Blue
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      $17.99
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      +$6.55 delivery
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    • Mini Boden Boys Lined Orange And Blue Board Shorts 11-12 Years New Without Tags
      Mini Boden Boys Lined Orange And Blue Board Shorts 11-12 Years New Without Tags
      Opens in a new window or tab
      New (Other)
      $19.00
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      +$4.57 delivery
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    • Crewcuts Swim Trunks Boys 12 Lined Gingham Green Blue Ocean Beach Vacation
      Crewcuts Swim Trunks Boys 12 Lined Gingham Green Blue Ocean Beach Vacation
      Opens in a new window or tab
      Pre-Owned
      $19.99
      or Best Offer
      +$4.71 delivery
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    • Boys Gap  Lined Shorts Size 12
      Boys Gap Lined Shorts Size 12
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      Pre-Owned
      $25.00
      0 bids · Time left1d 4h
      or Best Offer
      +$5.00 delivery
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    • Lot of Boys Swim Trunks 12 M Cat & Jack, Circo, al & ray EUC
      Lot of Boys Swim Trunks 12 M Cat & Jack, Circo, al & ray EUC
      Opens in a new window or tab
      Pre-Owned
      $17.99
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    • Old Navy Boy's Cute and Stylish Flowers Bathing Suit Shorts size 10/12
      Old Navy Boy's Cute and Stylish Flowers Bathing Suit Shorts size 10/12
      Opens in a new window or tab
      Pre-Owned
      $7.79
      Was: $11.9935% off
      or Best Offer
      +$5.85 delivery
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    • Patagonia $49 Kids Youth Baggies Nylon Shorts 7" Lined Coho  Coral Size L(12)
      Patagonia $49 Kids Youth Baggies Nylon Shorts 7" Lined Coho Coral Size L(12)
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      $44.00
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      +$5.89 delivery
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    • Hanna Andersson Shark Print Boy's Swim Trunks Size HA 150/US 12
      Hanna Andersson Shark Print Boy's Swim Trunks Size HA 150/US 12
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      Pre-Owned
      $20.00
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      +$6.99 delivery
      $10 off $50+ with coupon
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    • Sundek Boys Mesh Lined Swim Trunks Size 12
      Sundek Boys Mesh Lined Swim Trunks Size 12
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      Pre-Owned
      $40.00
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    • Toddler Boys Swim Lot Circa Old Navy Cat & Jack 6m-12M
      Toddler Boys Swim Lot Circa Old Navy Cat & Jack 6m-12M
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      Pre-Owned
      $19.99
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      +$12.71 delivery
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    • EUC Gymboree Boys 12 Flag Stars Stripes Red White Blue Swim Board Shorts Trunks
      EUC Gymboree Boys 12 Flag Stars Stripes Red White Blue Swim Board Shorts Trunks
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      Pre-Owned
      $17.99
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      +$6.55 delivery
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    • Gymboree Swim Suit Boy's 12 Crab Orange Colorful Lined Bathing Suit Shorts
      Gymboree Swim Suit Boy's 12 Crab Orange Colorful Lined Bathing Suit Shorts
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      Pre-Owned
      $5.16
      Was: $12.0057% off
      or Best Offer
      +$5.95 delivery
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    • Boy’s Lined Swim Trunks Board Shorts Size 12 Surf Board Tropical Breeze OshKosh
      Boy’s Lined Swim Trunks Board Shorts Size 12 Surf Board Tropical Breeze OshKosh
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      Pre-Owned
      $5.95
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      +$4.84 delivery
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    • Pikachu Swim Shorts Boys 10/12
      Pikachu Swim Shorts Boys 10/12
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      $8.00
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    • Art Class Kids Boy's Size 12 Swim Trunks Shorts Light Pink Peach UPF 50+
      Art Class Kids Boy's Size 12 Swim Trunks Shorts Light Pink Peach UPF 50+
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      Brand New
      $9.99
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      +$6.55 delivery
      Extra 10% off with coupon
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    • Nike Boys Swim Trunks Sz L , Sz 12,  Neon      Beach! Summer! Pool!
      Nike Boys Swim Trunks Sz L , Sz 12, Neon Beach! Summer! Pool!
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      Pre-Owned
      $12.56
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    • Marvel Avengers Boys Drawstring Lined Swim Trunks Bathing Suit Size 10 / 12 NEW
      Marvel Avengers Boys Drawstring Lined Swim Trunks Bathing Suit Size 10 / 12 NEW
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      $9.99
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    • Boys Size 12 Shorts, Swim Trunks, Shirt, Hanna Andersson, Beverly Hills, LOT
      Boys Size 12 Shorts, Swim Trunks, Shirt, Hanna Andersson, Beverly Hills, LOT
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      $14.99
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    • Tom & Teddy Octopus Swim Trunks Boys Size 11 12 Blue Mesh Lined Pockets And Adj
      Tom & Teddy Octopus Swim Trunks Boys Size 11 12 Blue Mesh Lined Pockets And Adj
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      Pre-Owned
      $19.96
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    • Cherokee Boys Swim Trunks Size 12-14
      Cherokee Boys Swim Trunks Size 12-14
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      $10.00
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      +$4.99 delivery
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    • Vilebrequin Boys Swim Trunks
      Vilebrequin Boys Swim Trunks
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      Pre-Owned
      $30.00
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      +$8.55 delivery
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    • Boys Cat And Jack 12 Months Swim Trunks Dinosaur Print Baby Toddler Green Dino
      Boys Cat And Jack 12 Months Swim Trunks Dinosaur Print Baby Toddler Green Dino
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      $8.99
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    • NEW Oshkosh Bgosh UPF 50+ Sun Protection Boy's Swimwear Striped Shorts Size 12
      NEW Oshkosh Bgosh UPF 50+ Sun Protection Boy's Swimwear Striped Shorts Size 12
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