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

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    • XSRemove filter
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    • Patagonia Boys Size 12 Nylon Swim Trunk Blue Striped Board Shorts 26x9
      Patagonia Boys Size 12 Nylon Swim Trunk Blue Striped Board Shorts 26x9
      Opens in a new window or tab
      Pre-Owned
      $11.20
      Was: $27.9960% off
      or Best Offer
      +$8.55 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Boys 3 Piece Rash Guard Swimsuit Swimwear Sets Shirt Trunks Shorts with Swim Hat
      Boys 3 Piece Rash Guard Swimsuit Swimwear Sets Shirt Trunks Shorts with Swim Hat
      Opens in a new window or tab
      New (Other)
      $17.19 to $25.89
      Buy It Now
      +$3.99 delivery
      from China
      Sponsored
    • HO SPORTS 4 Way Stretch Back Zipper Black Rash Guard Wet Suit Junior's Size 12
      HO SPORTS 4 Way Stretch Back Zipper Black Rash Guard Wet Suit Junior's Size 12
      Opens in a new window or tab
      Pre-Owned
      $22.20
      Was: $37.0040% off
      or Best Offer
      +$9.95 delivery
      Sponsored
    • Boys O’Neill Rashguard Compression Shorts New 50+ Size 12 $30
      Boys O’Neill Rashguard Compression Shorts New 50+ Size 12 $30
      Opens in a new window or tab
      Brand New
      $18.75
      Was: $25.0025% off
      or Best Offer
      +$5.20 delivery
      Sponsored
    • Patagonia Kids Youth Baggies Nylon Pull On Swim Shorts  7" Lined Size XS 5-6
      Patagonia Kids Youth Baggies Nylon Pull On Swim Shorts 7" Lined Size XS 5-6
      Opens in a new window or tab
      Brand New
      $20.00
      Buy It Now
      +$10.00 delivery
      Sponsored
    • Patagonia Board Teal Shorts SZ XS Swim truck  Waist 24 in Stretch
      Patagonia Board Teal Shorts SZ XS Swim truck Waist 24 in Stretch
      Opens in a new window or tab
      Pre-Owned
      $15.55
      Buy It Now
      +$7.00 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!
      $4.99
      Buy It Now
      +$9.95 delivery
      Sponsored
    • Patagonia Baggies (Lot of 2) Boy Med 10 Swim Short Lined Trunks Size L (12)
      Patagonia Baggies (Lot of 2) Boy Med 10 Swim Short Lined Trunks Size L (12)
      Opens in a new window or tab
      Pre-Owned
      $39.95
      or Best Offer
      +$5.95 delivery
      Sponsored
    • Lilly Pulitzer - Boys Junior Capri Trunk, Cosmic Coral, Cracked Up - Sz XS - NWT
      Lilly Pulitzer - Boys Junior Capri Trunk, Cosmic Coral, Cracked Up - Sz XS - NWT
      Opens in a new window or tab
      Brand New
      $50.00
      Buy It Now
      Free delivery
      Sponsored
    • Patagonia Baggy 4” Mesh Lined Shorts Boys Size XS Size 5-6 Swimsuit Swim Shorts
      Patagonia Baggy 4” Mesh Lined Shorts Boys Size XS Size 5-6 Swimsuit Swim Shorts
      Opens in a new window or tab
      Pre-Owned
      $19.99
      Was: $24.9920% off
      or Best Offer
      +$4.57 delivery
      Sponsored
    • Patagonia Boys Size 12 Wavefarer Board Shorts Summer Orange Blue Palm Leaves
      Patagonia Boys Size 12 Wavefarer Board Shorts Summer Orange Blue Palm Leaves
      Opens in a new window or tab
      Pre-Owned
      $7.00
      or Best Offer
      +$4.71 delivery
      Free returns
      Sponsored
    • Patagonia Swim Suit Boys XS Youth 24" waist 5" inseam Elastic NAVY BLUE Shorts
      Patagonia Swim Suit Boys XS Youth 24" waist 5" inseam Elastic NAVY BLUE Shorts
      Opens in a new window or tab
      Pre-Owned
      $12.95
      or Best Offer
      +$6.57 delivery
      Sponsored
    • NWT Speedo Boys Solid Powerflex Youth Brief Red Size 26 10/12
      NWT Speedo Boys Solid Powerflex Youth Brief Red Size 26 10/12
      Opens in a new window or tab
      Brand New
      $24.95
      or Best Offer
      +$5.95 delivery in 2-3 days
      Sponsored
    • Kids Boy Bathing Suit Elastic Swimsuit Color Block Swimwear Patchwork Beachwear
      Kids Boy Bathing Suit Elastic Swimsuit Color Block Swimwear Patchwork Beachwear
      Opens in a new window or tab
      New (Other)
      $14.89 to $25.79
      Buy It Now
      +$3.99 delivery
      from China
      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
      Sponsored
    • Kids Boy Bathing Suit Short Sleeve Swimwear Swimming Swimsuit Elastic Jumpsuit
      Kids Boy Bathing Suit Short Sleeve Swimwear Swimming Swimsuit Elastic Jumpsuit
      Opens in a new window or tab
      New (Other)
      $14.89 to $25.89
      Buy It Now
      +$3.99 delivery
      from China
      Sponsored
    • Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Afternoon Pink Size XS (5-6)
      Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Afternoon Pink Size XS (5-6)
      Opens in a new window or tab
      Brand New
      $44.00
      or Best Offer
      +$5.89 delivery
      Extra 23% off
      Sponsored
    • NWT $30 SZ 10 Speedo Boy's Swimsuit Jammer Begin to Swim Solid black
      NWT $30 SZ 10 Speedo Boy's Swimsuit Jammer Begin to Swim Solid black
      Opens in a new window or tab
      Brand New
      $14.99
      or Best Offer
      +$5.99 delivery
      Sponsored
    • Hanna Andersson Star Wars Rash Guard Size 12 150 CM Darth Vader Black Red
      Hanna Andersson Star Wars Rash Guard Size 12 150 CM Darth Vader Black Red
      Opens in a new window or tab
      Pre-Owned
      $15.00
      or Best Offer
      +$4.85 delivery
      Sponsored
    • Hanna Anderson Unisex Aqua Blue Short Sleeve Rash Guard Top Size 150 (Size 12)
      Hanna Anderson Unisex Aqua Blue Short Sleeve Rash Guard Top Size 150 (Size 12)
      Opens in a new window or tab
      New (Other)
      $16.35
      or Best Offer
      +$6.95 delivery
      Sponsored
    • From our popular brands

      Based on number of views and purchases | Sponsored
        • Patagonia Boys Size 12 Nylon Swim Trunk Blue Striped Board Shorts 26x9
          Patagonia
          Patagonia Boys Size 12 Nylon Swim Trunk Blue Striped Board Shorts 26x9
          Opens in a new window or tab
          Pre-Owned
          $11.20
          +$8.55 delivery
        • 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
        • Speedo Youth Size 12 Black Swim Jammers - NWT!
          Speedo
          Speedo Youth Size 12 Black Swim Jammers - NWT!
          Opens in a new window or tab
          Brand New
          $4.99
          +$9.95 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
        • Hurley X20-dri beige board shorts boys sz 12
          Hurley
          Hurley X20-dri beige board shorts boys sz 12
          Opens in a new window or tab
          Pre-Owned
          $9.00
          +$6.15 delivery
        • GAP KIDS green navy rashguard XS swim shirt SCORPION BAY surf rash guard VGUC
          Gap
          GAP KIDS green navy rashguard XS swim shirt SCORPION BAY surf rash guard VGUC
          Opens in a new window or tab
          Pre-Owned
          $5.99
          +$4.51 delivery
        • Nike Swim Jammer Shorts Boys Youth Techno Camo Swimwear Bottoms TESS0041
          Nike
          Nike Swim Jammer Shorts Boys Youth Techno Camo Swimwear Bottoms TESS0041
          Opens in a new window or tab
          Brand New
          $19.99
          Free delivery
        • NWT Quicksilver Boys Amphibian Tee/Rashguard w/Ultra-Violet Protection 50+ Sz 12
          Quiksilver
          NWT Quicksilver Boys Amphibian Tee/Rashguard w/Ultra-Violet Protection 50+ Sz 12
          Opens in a new window or tab
          Brand New
          $22.99
          +$4.33 delivery
        • Unworn Sz 4-5 XS GAPKIDS Plaid BOARDSHORTS Blue Orange Green Swim MESH LINER
          Gap
          Unworn Sz 4-5 XS GAPKIDS Plaid BOARDSHORTS Blue Orange Green Swim MESH LINER
          Opens in a new window or tab
          Pre-Owned
          $7.75
          +$4.97 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
          Opens in a new window or tab
          New (Other)
          $11.20
          +$5.21 delivery
        • New with Tags Nike Boys Youth Swim Size 22 Foil Skin Brief TFSS0009 Choose Color
          Nike
          New with Tags Nike Boys Youth Swim Size 22 Foil Skin Brief TFSS0009 Choose Color
          Opens in a new window or tab
          Brand New
          $14.99
          Free delivery
    • HANNA ANDERSSON Boys 150 Large 12 10 Swim Shirt Youth Rash Guard Disney Mickey L
      HANNA ANDERSSON Boys 150 Large 12 10 Swim Shirt Youth Rash Guard Disney Mickey L
      Opens in a new window or tab
      Pre-Owned
      $19.99
      Buy It Now
      +$7.99 delivery
      Sponsored
    • Speedo Boy's Swimsuit Jammer Begin to Swim Solid Black, Size 12
      Speedo Boy's Swimsuit Jammer Begin to Swim Solid Black, Size 12
      Opens in a new window or tab
      Brand New
      5.0 out of 5 stars.
      (1)1 product rating - Speedo Boy's Swimsuit Jammer Begin to Swim Solid Black, Size 12
      $8.99
      Was: $44.9580% off
      Buy It Now
      +$6.20 delivery in 2-4 days
      Sponsored
    • Adidas X Disney Youth Boys Buzz Lightyear Long Sleeve Rash Guard
      Adidas X Disney Youth Boys Buzz Lightyear Long Sleeve Rash Guard
      Opens in a new window or tab
      Brand New
      $24.00
      Buy It Now
      Free delivery
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    • 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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    • NWT *GAP* Boys SS Swim Rashguard Navy Blue Waves *size XS 4-5*
      NWT *GAP* Boys SS Swim Rashguard Navy Blue Waves *size XS 4-5*
      Opens in a new window or tab
      Brand New
      $10.99
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      +$4.51 delivery
      Sponsored
    • Youth Patagonia Board Shorts / Swim Trunks Youth size Large 12
      Youth Patagonia Board Shorts / Swim Trunks Youth size Large 12
      Opens in a new window or tab
      Pre-Owned
      $19.99
      or Best Offer
      +$4.84 delivery
      Sponsored
    • Hanna Andersson Rash Guard Blue US Size 12 (150 cm) Short Sleeve
      Hanna Andersson Rash Guard Blue US Size 12 (150 cm) Short Sleeve
      Opens in a new window or tab
      Pre-Owned
      $11.99
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      +$4.99 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)
      Opens in a new window or tab
      Brand New
      $44.00
      or Best Offer
      +$5.89 delivery
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    • TOMMY HILFIGER Boys Board Swim Shorts Graffiti Print Spellout All Over Sz 12/14
      TOMMY HILFIGER Boys Board Swim Shorts Graffiti Print Spellout All Over Sz 12/14
      Opens in a new window or tab
      Pre-Owned
      $9.79
      Was: $13.9830% off
      or Best Offer
      +$5.99 delivery
      Free returns
      Extra 10% off with coupon
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    • Kids Boy Swimsuit Surfing Swimwear Bodysuit Bathing Suit Sport Costume Nylon
      Kids Boy Swimsuit Surfing Swimwear Bodysuit Bathing Suit Sport Costume Nylon
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      New (Other)
      $12.13 to $24.59
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      +$3.99 delivery
      from China
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    • Kids Boys Swimwear With Drawstring Rash Guard Tights Swim Shorts Surfing Trunks
      Kids Boys Swimwear With Drawstring Rash Guard Tights Swim Shorts Surfing Trunks
      Opens in a new window or tab
      New (Other)
      $17.19 to $21.49
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      +$3.99 delivery
      from China
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    • Children Boys Rash Guards Swimwear 3Pcs Tops Trunks Hat Quick-dry Wetsuit Outfit
      Children Boys Rash Guards Swimwear 3Pcs Tops Trunks Hat Quick-dry Wetsuit Outfit
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      New (Other)
      $26.39 to $32.59
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    • LL Bean Boys Black Swim Tunks Shorts Tie Waist Mesh Lined Pockets Size XS
      LL Bean Boys Black Swim Tunks Shorts Tie Waist Mesh Lined Pockets Size XS
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      $13.99
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      +$6.00 delivery
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    • NEW Sketchers Boys Rashguard Short Sleeve Swim Shirt - Surf Waves - Size 10/12
      NEW Sketchers Boys Rashguard Short Sleeve Swim Shirt - Surf Waves - Size 10/12
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    • Speedo Shorts Boys 12 Black Jammer Nylona Spandex Blend Drawstring Swim
      Speedo Shorts Boys 12 Black Jammer Nylona Spandex Blend Drawstring Swim
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      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
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    • Nike Swim Boys Nylon Core Solid Brief Swimsuit Size 22 XS 6-7 Red
      Nike Swim Boys Nylon Core Solid Brief Swimsuit Size 22 XS 6-7 Red
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      $12.99
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    • PATAGONIA Blue/ Gray Nylon BOARD SHORTS Summer Surf Swim Trunks YOUTH 12 Boy
      PATAGONIA Blue/ Gray Nylon BOARD SHORTS Summer Surf Swim Trunks YOUTH 12 Boy
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    • WWE Swimming Trunks Boys Youth Extra Small (4/5) Gray John Cena AOP Lined Swim
      WWE Swimming Trunks Boys Youth Extra Small (4/5) Gray John Cena AOP Lined Swim
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      $12.00
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      +$10.00 delivery
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    • GAP Kids Orange Pineapple Swim Trunks
      GAP Kids Orange Pineapple Swim Trunks
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      Kids Boy's Tops With Shorts Set Swim Tracksuits Round Neck Swimsuit Athletic
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    • MC2 Saint Barth Boys Swim Beach Trunks Shorts Made In Italy Bright Camo 12Y
      MC2 Saint Barth Boys Swim Beach Trunks Shorts Made In Italy Bright Camo 12Y
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      $49.00
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    • No Boundaries Kids Size 12 Aquawave Black Rash Guard Short Sleeve Swim Surf
      No Boundaries Kids Size 12 Aquawave Black Rash Guard Short Sleeve Swim Surf
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      Pre-Owned
      $8.00
      Was: $10.0020% off
      or Best Offer
      +$5.99 delivery
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    • Nike Swim Jammer Shorts Boys Youth Techno Camo Swimwear Bottoms TESS0041
      Nike Swim Jammer Shorts Boys Youth Techno Camo Swimwear Bottoms TESS0041
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      $19.99
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    •  Nike Swimwear Boys Athletic Youth Tech Camo Jammer Black Blue Size 20 XS 4
      Nike Swimwear Boys Athletic Youth Tech Camo Jammer Black Blue Size 20 XS 4
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    • NWT Speedo Boy Sz 12 Swim Bottom Jammers Crocodile Print SPF 50+ Azure Blue New
      NWT Speedo Boy Sz 12 Swim Bottom Jammers Crocodile Print SPF 50+ Azure Blue New
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    • NWT Quicksilver Boys Amphibian Tee/Rashguard w/Ultra-Violet Protection 50+ Sz 12
      NWT Quicksilver Boys Amphibian Tee/Rashguard w/Ultra-Violet Protection 50+ Sz 12
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      +$4.33 delivery
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    • Two Identical Lands End Boys Rash Guard Size Medium 10 To 12 
      Two Identical Lands End Boys Rash Guard Size Medium 10 To 12 
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    • Girls and Boys One Piece Rash Guard Swimsuit Kid Water Sport Short Swimsuit U...
      Girls and Boys One Piece Rash Guard Swimsuit Kid Water Sport Short Swimsuit U...
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    • NWT GAP Radical Shark Graphic Stripe Rashguard Swim Shirt Top Boys XS 4 5 4T 5T
      NWT GAP Radical Shark Graphic Stripe Rashguard Swim Shirt Top Boys XS 4 5 4T 5T
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    • Unworn Sz 4-5 XS GAPKIDS Plaid BOARDSHORTS Blue Orange Green Swim MESH LINER
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    • Art Class Size 12/14 Swim Trunks- BRAND NEW WITH TAGS!!!
      Art Class Size 12/14 Swim Trunks- BRAND NEW WITH TAGS!!!
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    • Patagonia Board Shorts Boys 12 Blue Gray Drawstring Zip Pocket Nylon
      Patagonia Board Shorts Boys 12 Blue Gray Drawstring Zip Pocket Nylon
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      $7.00
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    • Patagonia Boys Wavefarer Striped Multicolor Board Shorts Size 12 #357
      Patagonia Boys Wavefarer Striped Multicolor Board Shorts Size 12 #357
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