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      • Boys' Clothing (Sizes 4 & Up)
        • Selected categorySwimwear
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47 results

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    • XSRemove filter
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    • Gerry Boys Size 6 XS Orange Blue Board Shorts
      Gerry Boys Size 6 XS Orange Blue Board Shorts
      Opens in a new window or tab
      Pre-Owned
      $10.00
      or Best Offer
      +$6.50 delivery
      Sponsored
    • Under Armour Boys Swim Trunks Shorts Size 7 Youth Lined Blue Camo
      Under Armour Boys Swim Trunks Shorts Size 7 Youth Lined Blue Camo
      Opens in a new window or tab
      Pre-Owned
      $18.00
      or Best Offer
      Free delivery
      Sponsored
    • Speedo Boys Youth Swim Trunks Shorts Blue Pineapple Design  Mesh Lining Size XS
      Speedo Boys Youth Swim Trunks Shorts Blue Pineapple Design Mesh Lining Size XS
      Opens in a new window or tab
      Brand New
      $15.00
      or Best Offer
      +$5.00 delivery
      Sponsored
    • Boys Trunks Bathing Suit Board Shorts XS Panama Jack Netting Inside  NWT
      Boys Trunks Bathing Suit Board Shorts XS Panama Jack Netting Inside NWT
      Opens in a new window or tab
      Brand New
      $9.99
      or Best Offer
      +$5.75 delivery
      Free returns
      Sponsored
    • Scooby Doo Swim Goggles Blue and Yellow 2010 Warner Brothers Shatterproof
      Scooby Doo Swim Goggles Blue and Yellow 2010 Warner Brothers Shatterproof
      Opens in a new window or tab
      Brand New
      $1.00
      Time left2d 3h
      or Best Offer
      +$5.85 delivery
      Free returns
      Sponsored
    • Hurley Boys Black Bright Pink Blue Strips Swim Board Shorts 6.5” Inseam Sz 7
      Hurley Boys Black Bright Pink Blue Strips Swim Board Shorts 6.5” Inseam Sz 7
      Opens in a new window or tab
      Brand New
      $12.50
      Was: $25.0050% off
      or Best Offer
      +$5.00 delivery
      Last one
      Sponsored
    • Nautica Boys Swim Shorts Swim Trunks Swim Bottoms Red White Anchor Blue Size 7
      Nautica Boys Swim Shorts Swim Trunks Swim Bottoms Red White Anchor Blue Size 7
      Opens in a new window or tab
      Pre-Owned
      $6.00
      or Best Offer
      +$4.84 delivery
      Sponsored
    • NEW Art Class Target Multi Color Striped Swim Suit Bottoms Shorts Boys size 7
      NEW Art Class Target Multi Color Striped Swim Suit Bottoms Shorts Boys size 7
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      Brand New
      $9.99
      or Best Offer
      Free delivery
      Last one
      Sponsored
    • The North Face Swim Trunks Red Blue Boys, XS
      The North Face Swim Trunks Red Blue Boys, XS
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      Brand New
      $14.99
      or Best Offer
      +$4.51 delivery
      Sponsored
    • Old Navy Swim Shorts Boys XS Hawaiian Print Blue/White
      Old Navy Swim Shorts Boys XS Hawaiian Print Blue/White
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      Pre-Owned
      $4.99
      or Best Offer
      +$6.20 delivery
      Sponsored
    • Cat & Jack Boys Swim Shorts Size XS Red White Blue Shark Swim Trunks Summer
      Cat & Jack Boys Swim Shorts Size XS Red White Blue Shark Swim Trunks Summer
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      Pre-Owned
      $5.00
      or Best Offer
      +$4.50 delivery
      Sponsored
    • NWT Speedo Boys Size XS 6/7 SPF 50+ 17” Outseam Red White Blue Swim Trunks
      NWT Speedo Boys Size XS 6/7 SPF 50+ 17” Outseam Red White Blue Swim Trunks
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      Brand New
      $10.00
      or Best Offer
      +$4.84 delivery
      Sponsored
    • NEW Art Class Target Blue Green Striped Swim Suit Bottoms Shorts Boys size 7
      NEW Art Class Target Blue Green Striped Swim Suit Bottoms Shorts Boys size 7
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      Brand New
      $9.99
      or Best Offer
      Free delivery
      Sponsored
    • Trunks Boys Size 7 Reg Red Teal Royal Blue Geometric Swim Trunks Shorts EUC
      Trunks Boys Size 7 Reg Red Teal Royal Blue Geometric Swim Trunks Shorts EUC
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      Pre-Owned
      $6.99
      or Best Offer
      +$6.57 delivery
      Sponsored
    • cat and jack boys swim trunks XL  Blue Stretch Green Black
      cat and jack boys swim trunks XL Blue Stretch Green Black
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      Pre-Owned
      $2.47
      Was: $4.9350% off
      or Best Offer
      +$10.55 delivery
      Free returns
      Sponsored
    • Art Class 3Pc MultiColor Rash-guard Swimsuit Size XS (4/5)
      Art Class 3Pc MultiColor Rash-guard Swimsuit Size XS (4/5)
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      Brand New
      $12.00
      or Best Offer
      +$4.84 delivery
      Sponsored
    • Wonder Nation Boys Swim Trunks X-Small (4-5) Greystone Stripe UPF 50+  NEW
      Wonder Nation Boys Swim Trunks X-Small (4-5) Greystone Stripe UPF 50+ NEW
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      Brand New
      $12.99
      or Best Offer
      Free delivery
      Free returns
      Save up to 20% when you buy more
      Sponsored
      Top Rated Plus
    • NEW Boys' Striped Colorblock Volley Swim Trunks - Cat & Jack™ XS (4/5)
      NEW Boys' Striped Colorblock Volley Swim Trunks - Cat & Jack™ XS (4/5)
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      Brand New
      $11.99
      Was: $14.9920% off
      or Best Offer
      Free delivery
      10% off 2+ with coupon
      Sponsored
    • New Cherokee Boys Swim Suit Shorts Trunks Blue White XS 4/5 Polyester NWT
      New Cherokee Boys Swim Suit Shorts Trunks Blue White XS 4/5 Polyester NWT
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      Brand New
      $3.50
      or Best Offer
      +$6.95 delivery
      Sponsored
    • New Old Navy Orange Floral Skull Print Trunks Size XS
      New Old Navy Orange Floral Skull Print Trunks Size XS
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      Brand New
      $4.50
      or Best Offer
      +$5.65 delivery
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    • From our popular brands

      Based on number of views and purchases | Sponsored
        • Trunks Boys Size 7 Reg Red Teal Royal Blue Geometric Swim Trunks Shorts EUC
          Trunks
          Trunks Boys Size 7 Reg Red Teal Royal Blue Geometric Swim Trunks Shorts EUC
          Pre-Owned
          $6.99
          +$6.57 delivery
        • Art Class 3Pc MultiColor Rash-guard Swimsuit Size XS (4/5)
          Art
          Art Class 3Pc MultiColor Rash-guard Swimsuit Size XS (4/5)
          Brand New
          $12.00
          +$4.84 delivery
        • Mickey Mouse Swim Trunks Blue  Board Shorts Disney Junk Food Lined Boys XS
          Disney
          Mickey Mouse Swim Trunks Blue Board Shorts Disney Junk Food Lined Boys XS
          New (Other)
          $9.74
          +$8.85 delivery
        • NEW - Bundle MARVEL SPIDERMAN & GOODFELLOW BOYS SWIM TRUNKS XS/10-12.   Loc-8
          Marvel
          NEW - Bundle MARVEL SPIDERMAN & GOODFELLOW BOYS SWIM TRUNKS XS/10-12. Loc-8
          New (Other)
          $16.00
          +$5.21 delivery
        • NWT Speedo Boys Size XS 6/7 SPF 50+ 17” Outseam Red White Blue Swim Trunks
          Speedo
          NWT Speedo Boys Size XS 6/7 SPF 50+ 17” Outseam Red White Blue Swim Trunks
          Brand New
          $10.00
          +$4.84 delivery
    • Zero Exposure Swim Trunks Boys Youth Large 7 Board Shorts Blue Mesh Lining Shark
      Zero Exposure Swim Trunks Boys Youth Large 7 Board Shorts Blue Mesh Lining Shark
      Opens in a new window or tab
      Pre-Owned
      $2.73
      Was: $4.9645% off
      or Best Offer
      +$10.00 delivery
      Free returns
      Extra 10% off with coupon
      Sponsored
      Top Rated Plus
    • Old Navy Boys Swim Board Shorts Gray Yellow Floral Print Size XS (5)
      Old Navy Boys Swim Board Shorts Gray Yellow Floral Print Size XS (5)
      Opens in a new window or tab
      Pre-Owned
      $6.99
      or Best Offer
      +$5.99 delivery
      Sponsored
    • Volcom kids swim shorts trunk boy Navy Blue Green 26 Flower Leaf Preowned
      Volcom kids swim shorts trunk boy Navy Blue Green 26 Flower Leaf Preowned
      Opens in a new window or tab
      Pre-Owned
      $17.50
      or Best Offer
      +$4.50 delivery
      Sponsored
    • New Without Tags Boys Marvel Avengers Blue & Black Swimsuit  Shorts Size XS 4/5
      New Without Tags Boys Marvel Avengers Blue & Black Swimsuit Shorts Size XS 4/5
      Opens in a new window or tab
      New (Other)
      $7.50
      or Best Offer
      +$4.84 delivery
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    • Lands End Youth Kids Sz L 6x/7 Pink Rash Guard Swim Shirt Blue Tie Dye New
      Lands End Youth Kids Sz L 6x/7 Pink Rash Guard Swim Shirt Blue Tie Dye New
      Opens in a new window or tab
      Brand New
      $11.50
      Was: $22.9950% off
      or Best Offer
      +$5.85 delivery
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    • Gap Kids Board Shorts Seim Bottoms Boys XS 4-5 Colorblock Blue & Red
      Gap Kids Board Shorts Seim Bottoms Boys XS 4-5 Colorblock Blue & Red
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      Brand New
      $20.00
      or Best Offer
      +$6.00 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Cat & Jack Boys 3 Color Tiered Swim Trunks Swimsuit UPF 50+ Size XL 16
      Cat & Jack Boys 3 Color Tiered Swim Trunks Swimsuit UPF 50+ Size XL 16
      Opens in a new window or tab
      Pre-Owned
      $7.00
      or Best Offer
      +$5.49 delivery
      Sponsored
    • NEW - Bundle MARVEL SPIDERMAN & GOODFELLOW BOYS SWIM TRUNKS XS/10-12.   Loc-8
      NEW - Bundle MARVEL SPIDERMAN & GOODFELLOW BOYS SWIM TRUNKS XS/10-12. Loc-8
      Opens in a new window or tab
      New (Other)
      $16.00
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      +$5.21 delivery in 2-4 days
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    • Mossimo Supply Co. Boys Swim Shorts Trunks Size 4/5 XS Plaid  Brown
      Mossimo Supply Co. Boys Swim Shorts Trunks Size 4/5 XS Plaid Brown
      Opens in a new window or tab
      Pre-Owned
      $6.80
      Was: $17.0060% off
      or Best Offer
      +$7.35 delivery in 2-4 days
      Free returns
      Sponsored
      Top Rated Plus
    • Cat & Jack Boys Xs 4-5 Swim Trunks Shorts Multi- Color  Stripes
      Cat & Jack Boys Xs 4-5 Swim Trunks Shorts Multi- Color Stripes
      Opens in a new window or tab
      New (Other)
      $9.99
      or Best Offer
      +$4.84 delivery
      Free returns
      Sponsored
    • Gymboree Swimming Trunks Size(7)
      Gymboree Swimming Trunks Size(7)
      Opens in a new window or tab
      Pre-Owned
      $8.00
      or Best Offer
      +$4.84 delivery
      Sponsored
    • Mickey Mouse Swim Trunks Blue  Board Shorts Disney Junk Food Lined Boys XS
      Mickey Mouse Swim Trunks Blue Board Shorts Disney Junk Food Lined Boys XS
      Opens in a new window or tab
      New (Other)
      $9.74
      Was: $12.9925% off
      or Best Offer
      +$8.85 delivery
      Sponsored
    • Lands End Kids Blue Red Squares  Bathing Suit Size Small 8T
      Lands End Kids Blue Red Squares Bathing Suit Size Small 8T
      Opens in a new window or tab
      Pre-Owned
      $12.00
      or Best Offer
      +$7.20 delivery
      Sponsored
    • NWT Boys Marvel Avengers Blue & Black Swimsuit Board Shorts Size XS 4/5
      NWT Boys Marvel Avengers Blue & Black Swimsuit Board Shorts Size XS 4/5
      Opens in a new window or tab
      Brand New
      $8.50
      or Best Offer
      +$4.84 delivery
      Sponsored
    • 3 Pack NEW Art Class Target Multi Color Swim Suit Bottoms Shorts Boys 7
      3 Pack NEW Art Class Target Multi Color Swim Suit Bottoms Shorts Boys 7
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      Brand New
      $26.99
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    • Super Mario Boys Swim Shorts Mario Kart Blue/Green Size SM 6/7
      Super Mario Boys Swim Shorts Mario Kart Blue/Green Size SM 6/7
      Opens in a new window or tab
      Pre-Owned
      $9.99
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      +$5.95 delivery
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    • size 7 boy's swim trunks ZeroXposur blue/lime green sharks Kids Swim Box
      size 7 boy's swim trunks ZeroXposur blue/lime green sharks Kids Swim Box
      Opens in a new window or tab
      Pre-Owned
      $5.50
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      +$6.55 delivery
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    • NEW Boys' Striped Colorblock Volley Swim Trunks - Cat & Jack™ XS (4/5)
      NEW Boys' Striped Colorblock Volley Swim Trunks - Cat & Jack™ XS (4/5)
      Opens in a new window or tab
      Brand New
      $13.00
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      Free delivery
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    • Boys Open Trails Swim Trunks Blue w/ White Stripes Size XS (4-5)
      Boys Open Trails Swim Trunks Blue w/ White Stripes Size XS (4-5)
      Opens in a new window or tab
      Pre-Owned
      $7.99
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      +$7.35 delivery
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    • New Pokemon Rash Guard Swim Shirt Pokeball size XS UPF 50 Short Sleeve Blue Red
      New Pokemon Rash Guard Swim Shirt Pokeball size XS UPF 50 Short Sleeve Blue Red
      Opens in a new window or tab
      Brand New
      $16.99
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      +$6.40 delivery
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    • OP Kids XS/XCH Board Shorts Swim Trunks Mesh Brief Multicolor Blues 100% Poly
      OP Kids XS/XCH Board Shorts Swim Trunks Mesh Brief Multicolor Blues 100% Poly
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    • Old Navy Boys Swimming Trunks USA Red White & Blue Stars Drawstring Sz XS A20
      Old Navy Boys Swimming Trunks USA Red White & Blue Stars Drawstring Sz XS A20
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    • Lands End Boy Size 7 Blue And Green Swim Trunks
      Lands End Boy Size 7 Blue And Green Swim Trunks
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      Pre-Owned
      $9.00
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      +$6.55 delivery
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    • Nautica Boys Swim Shorts Swim Trunks Swim Bottoms Red White Anchor Blue Size 7
      Nautica Boys Swim Shorts Swim Trunks Swim Bottoms Red White Anchor Blue Size 7
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      +$4.25 delivery
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    • Boys Blue Short Sleeve Pokemon Swim Rashguard Top XS
      Boys Blue Short Sleeve Pokemon Swim Rashguard Top XS
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      Brand New
      $16.99
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      +$3.00 delivery
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    • GapKids Boy’s Swimming Trunk Dark Blue/neon Yellow - Size XS
      GapKids Boy’s Swimming Trunk Dark Blue/neon Yellow - Size XS
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      $8.00
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      +$5.25 delivery
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    • kanu surf red and blue palm tree boys swimsuit
      kanu surf red and blue palm tree boys swimsuit
      Opens in a new window or tab
      Pre-Owned
      $15.00
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      +$9.20 delivery
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