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      • Boys' Clothing (Sizes 4 & Up)
        • Selected categorySwimwear
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    • Columbia Shorts Boys Small 6 Blue Pockets Swimwear Surfer Swim
      Columbia Shorts Boys Small 6 Blue Pockets Swimwear Surfer Swim
      Opens in a new window or tab
      Pre-Owned
      $14.36
      Was: $15.9510% off
      or Best Offer
      +$5.95 delivery
      Free returns
      25% off 3+ with coupon
      Sponsored
      Top Rated Plus
    • Polo Ralph Lauren Polo Bear Performance Rash Guard Little Boy's 4 Multicolor L/S
      Polo Ralph Lauren Polo Bear Performance Rash Guard Little Boy's 4 Multicolor L/S
      Opens in a new window or tab
      Brand New
      $22.33
      or Best Offer
      +$5.95 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Polo By Ralph Lauren Kids Boys Adjustable Elastic Waist Lined Swim Trunks Sz 4
      Polo By Ralph Lauren Kids Boys Adjustable Elastic Waist Lined Swim Trunks Sz 4
      Opens in a new window or tab
      Pre-Owned
      $27.99
      or Best Offer
      Free delivery
      Free returns
      Sponsored
    • Oneill Boy's Performance 50+ SPF Rashguard Swim Shirt Size S Logo Black/White
      Oneill Boy's Performance 50+ SPF Rashguard Swim Shirt Size S Logo Black/White
      Opens in a new window or tab
      Pre-Owned
      $13.99
      or Best Offer
      +$9.99 delivery
      Sponsored
    • Vineyard Vines Kids Swim Trunks Size Small Green Patterned Nylon Mesh Lined
      Vineyard Vines Kids Swim Trunks Size Small Green Patterned Nylon Mesh Lined
      Opens in a new window or tab
      Pre-Owned
      $15.99
      or Best Offer
      +$6.00 delivery
      Sponsored
    • Burberry Children Check Plaid Red Boys Swim Trunks Swimwear Shorts SZ 4Y | 104cm
      Burberry Children Check Plaid Red Boys Swim Trunks Swimwear Shorts SZ 4Y | 104cm
      Opens in a new window or tab
      Pre-Owned
      $38.77
      or Best Offer
      +$7.25 delivery
      Sponsored
    • Columbia PFG Shorts Youth Small 8 Orange Swim Trunks Shorts Pockets Casual Boys
      Columbia PFG Shorts Youth Small 8 Orange Swim Trunks Shorts Pockets Casual Boys
      Opens in a new window or tab
      Pre-Owned
      $9.79
      or Best Offer
      +$5.49 delivery
      Sponsored
    • New w Tags Sesame Street Cookie Monster Swim Trunks Boys 2T Vintage Bathing Suit
      New w Tags Sesame Street Cookie Monster Swim Trunks Boys 2T Vintage Bathing Suit
      Opens in a new window or tab
      Brand New
      $40.00
      or Best Offer
      +$5.26 delivery
      10 watchers
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    • Ralph Lauren Boys Polo Bear Print Performance Rash Guard Big Kids, Blue, Small 8
      Ralph Lauren Boys Polo Bear Print Performance Rash Guard Big Kids, Blue, Small 8
      Opens in a new window or tab
      Brand New
      $39.00
      or Best Offer
      Free delivery
      Save up to 20% when you buy more
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    • Columbia PFG Shorts Youth Small 8 Blue Swim Trunks Shorts Pockets Casual Boys
      Columbia PFG Shorts Youth Small 8 Blue Swim Trunks Shorts Pockets Casual Boys
      Opens in a new window or tab
      Pre-Owned
      $9.79
      or Best Offer
      +$5.49 delivery
      Sponsored
    • Polo Ralph Lauren Yellow Plaid Swim Trunks Boys Small (8) Preppy Beach Pool
      Polo Ralph Lauren Yellow Plaid Swim Trunks Boys Small (8) Preppy Beach Pool
      Opens in a new window or tab
      Pre-Owned
      $14.40
      Was: $16.0010% off
      or Best Offer
      +$4.71 delivery
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    • Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Buckhorn Green  Size Small 7-8
      Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Buckhorn Green Size Small 7-8
      Opens in a new window or tab
      Brand New
      $44.00
      or Best Offer
      +$5.89 delivery
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    • Vineyard Vines Kids Swim Trunks Size Small Blue Patterned Nylon Mesh Lined
      Vineyard Vines Kids Swim Trunks Size Small Blue Patterned Nylon Mesh Lined
      Opens in a new window or tab
      Pre-Owned
      $15.99
      or Best Offer
      +$6.00 delivery
      Sponsored
    • Ron Jon Kids Black Rash Guard Size 4 with Skulls on Sleeves
      Ron Jon Kids Black Rash Guard Size 4 with Skulls on Sleeves
      Opens in a new window or tab
      Pre-Owned
      $14.95
      or Best Offer
      +$6.55 delivery
      Sponsored
    • Under Armor Rash Guard Boys Small Black High Neck Long Sleeve Logo Cold Gear
      Under Armor Rash Guard Boys Small Black High Neck Long Sleeve Logo Cold Gear
      Opens in a new window or tab
      Pre-Owned
      $10.34
      Was: $17.2340% off
      or Best Offer
      +$6.99 delivery
      Free returns
      Extra 25% off with coupon
      Sponsored
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    • Ocean Pacific OP VTG 80s Swim Trunks Shorts Mesh Liner Neon Yellow Boys S Small
      Ocean Pacific OP VTG 80s Swim Trunks Shorts Mesh Liner Neon Yellow Boys S Small
      Opens in a new window or tab
      Pre-Owned
      $18.74
      Was: $24.9925% off
      or Best Offer
      +$5.52 delivery
      Free returns
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    • Speedo Boys Learn to Swim Jammer Trunks UPF +50 Black Size 4 NWT FREE SHIP
      Speedo Boys Learn to Swim Jammer Trunks UPF +50 Black Size 4 NWT FREE SHIP
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      Brand New
      $14.50
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    • Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Vessel Blue  Size S(7-8)
      Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Vessel Blue Size S(7-8)
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      Brand New
      $44.00
      or Best Offer
      +$5.89 delivery
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    • Vintage Pokemon Shorts 4 Blue Poliwhirl Bulbasaur Psyduck Swim Trunks 90s Y2K
      Vintage Pokemon Shorts 4 Blue Poliwhirl Bulbasaur Psyduck Swim Trunks 90s Y2K
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      Pre-Owned
      $4.99
      or Best Offer
      +$5.80 delivery
      Free returns
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    • Patagonia $49 Kids Youth Baggies Nylon Shorts 7" Lined Coho  Coral Size S (7-8)
      Patagonia $49 Kids Youth Baggies Nylon Shorts 7" Lined Coho Coral Size S (7-8)
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      Brand New
      $44.00
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        • Columbia Shorts Boys Small 6 Blue Pockets Swimwear Surfer Swim
          Columbia
          Columbia Shorts Boys Small 6 Blue Pockets Swimwear Surfer Swim
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          Pre-Owned
          $14.36
          +$5.95 delivery
          25% off 3+ with coupon
        • Columbia PFG Shorts Youth Small 8 Orange Swim Trunks Shorts Pockets Casual Boys
          Columbia
          Columbia PFG Shorts Youth Small 8 Orange Swim Trunks Shorts Pockets Casual Boys
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        • Nike Swim Trunks Board Shorts Lot of (3) Boys Small (8/9) Beach Surf Outdoors
          Nike
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        • Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Vessel Blue  Size S(7-8)
          Patagonia
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        • Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Buckhorn Green  Size Small 7-8
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          $44.00
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        • Speedo, Boy’s Swimsuit Jammer Black Swimwear, Youth Size 4
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        • Columbia PFG Omni Shade Backcast Water Shorts Kid Boys XL Gray Nylon Swim Trunks
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        • Trunks Boys Size Small Charcoal Gray Nylon Camo Multi-Functional Shorts NWT
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          Trunks Boys Size Small Charcoal Gray Nylon Camo Multi-Functional Shorts NWT
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        • QUIKSILVER UVtech Rashguard Shirt Youth Boys Long Sleeve Fleece Lined Sz S 12
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        • Speedo Youth Swim Shirt New With Tags Blue Size Small van life surfer
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        • Trunks Boys Size Youth Small Charcoal Gray Nylon-Like Multi-Functional Shorts
          Trunks
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    • Lilly Pulitzer Boys Kids Swim Trunks Shorts Bathing Suit Sz 4 Lined *Faded*
      Lilly Pulitzer Boys Kids Swim Trunks Shorts Bathing Suit Sz 4 Lined *Faded*
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    • Lands’ End Boys Short Sleeve Navy Striped Rash Guard Size YS 4T EUC SPF
      Lands’ End Boys Short Sleeve Navy Striped Rash Guard Size YS 4T EUC SPF
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    • Sand N Sun 2PC Swimwear Set Boys Size 4T Swim Shirt & Lined Board Shorts Sharks
      Sand N Sun 2PC Swimwear Set Boys Size 4T Swim Shirt & Lined Board Shorts Sharks
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    • QUIKSILVER UVtech Rashguard Shirt Youth Boys Long Sleeve Fleece Lined Sz S 12
      QUIKSILVER UVtech Rashguard Shirt Youth Boys Long Sleeve Fleece Lined Sz S 12
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    • Columbia PFG Shorts Youth Small 8 Gray Swim Trunks Shorts Pockets Casual Boys
      Columbia PFG Shorts Youth Small 8 Gray Swim Trunks Shorts Pockets Casual Boys
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    • Hanna Andersson Boys Striped Raglan Swim Shirt Size 100 Red/White/Blue
      Hanna Andersson Boys Striped Raglan Swim Shirt Size 100 Red/White/Blue
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    • NWOT Vintage OP Ocean Pacific Shark Swim Trunks Blue Size Small
      NWOT Vintage OP Ocean Pacific Shark Swim Trunks Blue Size Small
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    • Lands End Kids Swim Shirt Rash Guard Size Small 8 Orange Gray Surfboard
      Lands End Kids Swim Shirt Rash Guard Size Small 8 Orange Gray Surfboard
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    • Polo Ralph Lauren Swim Trunks Boys Size 4 Plaid Liner Board Shorts Lined
      Polo Ralph Lauren Swim Trunks Boys Size 4 Plaid Liner Board Shorts Lined
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    • Vintage 90s Swim Trunks Board Shorts Mesh Liner Ozzy Purple Teal Boys S Small
      Vintage 90s Swim Trunks Board Shorts Mesh Liner Ozzy Purple Teal Boys S Small
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    • Nike Swim Trunks Board Shorts Lot of (3) Boys Small (8/9) Beach Surf Outdoors
      Nike Swim Trunks Board Shorts Lot of (3) Boys Small (8/9) Beach Surf Outdoors
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    • Lands End Swim Trunks Boys Small Blue Pockets Nylon Solid Lined
      Lands End Swim Trunks Boys Small Blue Pockets Nylon Solid Lined
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    • Polo Ralph Lauren Boys Swim Trunks Preppy Pockets Yellow Plaid Size S
      Polo Ralph Lauren Boys Swim Trunks Preppy Pockets Yellow Plaid Size S
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    • Old Navy Rashguard Boys Small Dark Blue Short Sleeve Palm Trees Nylon Blend GUC
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    • Fullsand UPF 50+ Youth Swim Shirt Small
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    • Eddie Bauer Swim Trunks Boys Small 7/8 Gray Board Shorts
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    • Speedo, Boy’s Swimsuit Jammer Black Swimwear, Youth Size 4
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