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

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    • OpRemove filter
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    • OP Boys' Size 4T Rash Guard Swim Shirt Long Sleeve Hoodie Pocket Royal Blue
      OP Boys' Size 4T Rash Guard Swim Shirt Long Sleeve Hoodie Pocket Royal Blue
      Opens in a new window or tab
      Pre-Owned
      $15.95
      or Best Offer
      Free delivery
      Free returns
      Sponsored
      Top Rated Plus
    • OP Ocean Pacific Board Shorts Boys Size 4-5 Lined Blue Black and Green
      OP Ocean Pacific Board Shorts Boys Size 4-5 Lined Blue Black and Green
      Opens in a new window or tab
      Pre-Owned
      $12.95
      or Best Offer
      +$5.99 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • OP BLUE & WHITE BOYS SWIM TRUNKS Sz 4T/ D3
      OP BLUE & WHITE BOYS SWIM TRUNKS Sz 4T/ D3
      Opens in a new window or tab
      Pre-Owned
      $7.99
      Buy It Now
      +$4.52 delivery
      Sponsored
    • OP: Boys / Toddlers 4T Blue Camo Swim Trunks With  Side Pocket
      OP: Boys / Toddlers 4T Blue Camo Swim Trunks With Side Pocket
      Opens in a new window or tab
      Pre-Owned
      $12.00
      Buy It Now
      +$5.50 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Boys Cat And Jack 4t Swim Trunks —Safari Print
      Boys Cat And Jack 4t Swim Trunks —Safari Print
      Opens in a new window or tab
      Pre-Owned
      $5.00
      or Best Offer
      +$4.84 delivery
      Sponsored
    • NWT Boys Swim Trunks OP OCEAN PACIFIC Size 6 7 Solid Navy Blue
      NWT Boys Swim Trunks OP OCEAN PACIFIC Size 6 7 Solid Navy Blue
      Opens in a new window or tab
      Brand New
      $12.99
      or Best Offer
      Free delivery
      Sponsored
    • Cat and Jack Boys Swim Suit Size 6-7
      Cat and Jack Boys Swim Suit Size 6-7
      Opens in a new window or tab
      Pre-Owned
      $3.99
      Buy It Now
      +$4.84 delivery
      Sponsored
    • Lot Of 3 Boys Size 4/4T Swim Shorts Trunks Rashguard Carter's OP
      Lot Of 3 Boys Size 4/4T Swim Shorts Trunks Rashguard Carter's OP
      Opens in a new window or tab
      Pre-Owned
      $10.99
      or Best Offer
      +$6.50 delivery
      Sponsored
    • Cat and Jack Swim Trunks, Size 6/7
      Cat and Jack Swim Trunks, Size 6/7
      Opens in a new window or tab
      New (Other)
      $8.00
      or Best Offer
      +$4.84 delivery
      Sponsored
    • OP Kids Wet Suit Neoprene Zipper Shorty size 5 Black Red Beachwear Ocean Pacific
      OP Kids Wet Suit Neoprene Zipper Shorty size 5 Black Red Beachwear Ocean Pacific
      Opens in a new window or tab
      Pre-Owned
      $20.00
      or Best Offer
      +$5.94 delivery in 2-4 days
      Free returns
      Sponsored
    • SHARKS AND FISH
      SHARKS AND FISH
      Opens in a new window or tab
      Pre-Owned
      $8.00
      Buy It Now
      +$3.99 delivery
      Sponsored
    • Op Toddler Boys Size 4T Green Orange Camouflage Swim Trunks Bathing Suit
      Op Toddler Boys Size 4T Green Orange Camouflage Swim Trunks Bathing Suit
      Opens in a new window or tab
      Pre-Owned
      $9.97
      or Best Offer
      +$5.99 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Boy Size 5T OP Ocean Pacific Multicolor Shark Camo Swim Trunks Mesh-Lined EUC
      Boy Size 5T OP Ocean Pacific Multicolor Shark Camo Swim Trunks Mesh-Lined EUC
      Opens in a new window or tab
      Pre-Owned
      $4.99
      Buy It Now
      +$4.84 delivery
      Sponsored
    • Mossimo Kids Swim Trunks Size 6 Blue Gray Red Orange Hawaiian Shorts Boys 4
      Mossimo Kids Swim Trunks Size 6 Blue Gray Red Orange Hawaiian Shorts Boys 4
      Opens in a new window or tab
      Pre-Owned
      $11.96
      Was: $19.9440% off
      or Best Offer
      +$6.99 delivery
      Sponsored
    • OP Boys Swim Trunks Size 5 Blue Fish Snakes Shorts Swimwear Drawstring Kids
      OP Boys Swim Trunks Size 5 Blue Fish Snakes Shorts Swimwear Drawstring Kids
      Opens in a new window or tab
      Pre-Owned
      $5.96
      Was: $9.9440% off
      or Best Offer
      +$6.99 delivery
      Sponsored
    • Tucker And Tate Boys Swim Shorts Size 6
      Tucker And Tate Boys Swim Shorts Size 6
      Opens in a new window or tab
      Pre-Owned
      $13.50
      or Best Offer
      +$4.33 delivery in 2-4 days
      Sponsored
    • *NWT* Cat and Jack Blue swim trunks boy's size XS 4/5
      *NWT* Cat and Jack Blue swim trunks boy's size XS 4/5
      Opens in a new window or tab
      Brand New
      $6.04
      Was: $10.9845% off
      or Best Offer
      +$8.25 delivery
      Sponsored
    • boys shorts 4T and swim trunk lot
      boys shorts 4T and swim trunk lot
      Opens in a new window or tab
      Pre-Owned
      $5.50
      Buy It Now
      +$4.51 delivery
      Sponsored
    • OP Rash Guard Shirt Boys Size 5T Swimming Beach Pool White Ocean Pacific NEW VTG
      OP Rash Guard Shirt Boys Size 5T Swimming Beach Pool White Ocean Pacific NEW VTG
      Opens in a new window or tab
      Brand New
      $8.99
      0 bids · Time left1d 17h
      or Best Offer
      +$5.62 delivery
      Sponsored
    • OP Boys Swim Trunks Sz 4T
      OP Boys Swim Trunks Sz 4T
      Opens in a new window or tab
      Pre-Owned
      $8.99
      Was: $9.9910% off
      or Best Offer
      +$4.84 delivery
      Sponsored
    • OP Boys Multicolor Swim Trunks Size 5T EUC!!!
      OP Boys Multicolor Swim Trunks Size 5T EUC!!!
      Opens in a new window or tab
      Pre-Owned
      $3.00
      Was: $4.0025% off
      Buy It Now
      +$6.55 delivery
      Sponsored
    • OP Black, Organge and White Boys Swimming Trunks, Size 6-7
      OP Black, Organge and White Boys Swimming Trunks, Size 6-7
      Opens in a new window or tab
      Pre-Owned
      $12.00
      Buy It Now
      +$4.50 delivery
      Sponsored
    • Cat And Jack Boys Pink Swimming Trunks Size 4
      Cat And Jack Boys Pink Swimming Trunks Size 4
      Opens in a new window or tab
      Pre-Owned
      $7.00
      or Best Offer
      +$5.00 delivery
      Free returns
      Sponsored
    • Boys Size 4/5 Op Swim Shorts
      Boys Size 4/5 Op Swim Shorts
      Opens in a new window or tab
      Pre-Owned
      $4.25
      or Best Offer
      +$4.84 delivery
      Sponsored
    • Boys OP Neon Green and Blue Pirate Skull Print Swimsuit Trunks Size 6
      Boys OP Neon Green and Blue Pirate Skull Print Swimsuit Trunks Size 6
      Opens in a new window or tab
      Pre-Owned
      $7.00
      or Best Offer
      +$4.84 delivery
      Sponsored
    • OP Board Shorts Boys Size 4T Guitar Print Trunks Beachwear Pool Vacation Vibes
      OP Board Shorts Boys Size 4T Guitar Print Trunks Beachwear Pool Vacation Vibes
      Opens in a new window or tab
      Pre-Owned
      $12.95
      or Best Offer
      +$7.57 delivery
      Sponsored
    • OP Kids 5T swim shorts
      OP Kids 5T swim shorts
      Opens in a new window or tab
      Pre-Owned
      $8.00
      Buy It Now
      +$6.00 delivery
      Sponsored
    • NEW Boys OP Brand Swim Shorts Size 5T
      NEW Boys OP Brand Swim Shorts Size 5T
      Opens in a new window or tab
      Brand New
      $9.99
      Buy It Now
      +$5.99 delivery
      Sponsored
    • OP Ocean Pacific Swimming Clothes Lot Shirt 4T Swim Shorts 5T Set Red Black Boys
      OP Ocean Pacific Swimming Clothes Lot Shirt 4T Swim Shorts 5T Set Red Black Boys
      Opens in a new window or tab
      Pre-Owned
      $10.99
      Buy It Now
      +$7.25 delivery
      Sponsored
    • OP Boys Blue Swim Trunks Shorts Size 5T
      OP Boys Blue Swim Trunks Shorts Size 5T
      Opens in a new window or tab
      Pre-Owned
      $7.50
      or Best Offer
      +$5.85 delivery
      Sponsored
    • Boys OP Swim Trunks Sharks Ocean Waves Size 6
      Boys OP Swim Trunks Sharks Ocean Waves Size 6
      Opens in a new window or tab
      Pre-Owned
      $7.99
      or Best Offer
      +$3.78 delivery
      Free returns
      Sponsored
    • Tucker And Tate Boys Swim Shorts Size 5
      Tucker And Tate Boys Swim Shorts Size 5
      Opens in a new window or tab
      Pre-Owned
      $15.00
      Buy It Now
      +$4.25 delivery
      Sponsored
    • EUC OP Boys Swim Trunks Lime Green Dark Aqua Plaid Size 4 4T Summer Swim Wear
      EUC OP Boys Swim Trunks Lime Green Dark Aqua Plaid Size 4 4T Summer Swim Wear
      Opens in a new window or tab
      Pre-Owned
      $3.50
      Buy It Now
      +$5.51 delivery
      Sponsored
    • IXtreme Boy's Swim Shorts And RashGuard  Size 4 Nwt
      IXtreme Boy's Swim Shorts And RashGuard Size 4 Nwt
      Opens in a new window or tab
      Brand New
      $19.99
      Buy It Now
      Free delivery
      Sponsored
    • OP Rash Guard Shirt Boys Size 5T Swimming Beach Pool White Ocean Pacific Vintage
      OP Rash Guard Shirt Boys Size 5T Swimming Beach Pool White Ocean Pacific Vintage
      Opens in a new window or tab
      Pre-Owned
      $8.99
      0 bids · Time left1d 17h
      or Best Offer
      +$4.84 delivery
      Sponsored
    • OP Orange Floral Board Shorts Boys Size 5T Swim Trunks Beach Pool Vacation Vibes
      OP Orange Floral Board Shorts Boys Size 5T Swim Trunks Beach Pool Vacation Vibes
      Opens in a new window or tab
      Pre-Owned
      $13.99
      or Best Offer
      +$7.57 delivery
      Sponsored
    • Toddler Boys 4T Surf Rashguard Top And Op Boys Swim Trunk Shorts XS (4-5) Set
      Toddler Boys 4T Surf Rashguard Top And Op Boys Swim Trunk Shorts XS (4-5) Set
      Opens in a new window or tab
      Pre-Owned
      $11.50
      Buy It Now
      Free delivery
      Sponsored
    • Cat and jack brand octopus swim trunks size 5t new with tags
      Cat and jack brand octopus swim trunks size 5t new with tags
      Opens in a new window or tab
      Brand New
      $10.00
      Buy It Now
      +$4.71 delivery
      Sponsored
    • OP Boys swimsuit Shorts Blue Camo 4t W/Tag
      OP Boys swimsuit Shorts Blue Camo 4t W/Tag
      Opens in a new window or tab
      Brand New
      $5.00
      Buy It Now
      +$6.84 delivery
      Sponsored
    • Boys size  FOLLOW YOUR HEART AND SURF Rash Guard Swim Shirt OP Brand Sz 6/6x GUC
      Boys size FOLLOW YOUR HEART AND SURF Rash Guard Swim Shirt OP Brand Sz 6/6x GUC
      Opens in a new window or tab
      Pre-Owned
      $6.99
      or Best Offer
      +$5.35 delivery in 2-4 days
      Sponsored
    • OP Kids 5T Anchor swim shorts
      OP Kids 5T Anchor swim shorts
      Opens in a new window or tab
      Pre-Owned
      $12.50
      Buy It Now
      Free delivery
      Sponsored
    • OP Surf Coast Swim Board Shorts Boy's Size XS 4/5
      OP Surf Coast Swim Board Shorts Boy's Size XS 4/5
      Opens in a new window or tab
      Pre-Owned
      $4.99
      Buy It Now
      +$4.47 delivery
      Sponsored
    • OP Navy Boy Traveler Swim Trunk 5 pfe1722
      OP Navy Boy Traveler Swim Trunk 5 pfe1722
      Opens in a new window or tab
      Pre-Owned
      $9.50
      or Best Offer
      Free delivery
      Sponsored
    • Boys OP Brand Swim Shorts Size 4/5 & Size 8
      Boys OP Brand Swim Shorts Size 4/5 & Size 8
      Opens in a new window or tab
      Brand New
      $5.99
      Buy It Now
      +$5.99 delivery
      Sponsored
    • OP Ocean Pacific Skulls Board Shorts Swim Suit Trunks Shorts Boys Size 4 / 5 NWT
      OP Ocean Pacific Skulls Board Shorts Swim Suit Trunks Shorts Boys Size 4 / 5 NWT
      Opens in a new window or tab
      Brand New
      $17.09
      Was: $18.9910% off
      Buy It Now
      Free delivery
      Sponsored
    • OP White Navy Blue Green Swimsuit Swim Trunks Board Shorts Size 5 5T *S24
      OP White Navy Blue Green Swimsuit Swim Trunks Board Shorts Size 5 5T *S24
      Opens in a new window or tab
      Pre-Owned
      $7.99
      Buy It Now
      +$4.95 delivery
      Sponsored
    • OP Kids Surfing Dinosaur Bathing Suit Size 6-7T
      OP Kids Surfing Dinosaur Bathing Suit Size 6-7T
      Opens in a new window or tab
      Pre-Owned
      $10.00
      or Best Offer
      +$6.55 delivery
      Sponsored
    • OP 4T Boys Swimming Trunks
      OP 4T Boys Swimming Trunks
      Opens in a new window or tab
      Pre-Owned
      $3.99
      or Best Offer
      +$5.85 delivery
      Sponsored
    • Boys Carter Swimming Shirt And Swimming Shorts Size 5T UGC
      Boys Carter Swimming Shirt And Swimming Shorts Size 5T UGC
      Opens in a new window or tab
      Pre-Owned
      $20.00
      or Best Offer
      Free delivery
      Sponsored
    • NEW OP boys swimsuit trunks shorts - elastic waist - size 5 - NWOT
      NEW OP boys swimsuit trunks shorts - elastic waist - size 5 - NWOT
      Opens in a new window or tab
      New (Other)
      $9.99
      or Best Offer
      +$7.99 delivery
      Sponsored
    • Boys swimsuit size 5 bathing suit swim wear Phineas and Ferb
      Boys swimsuit size 5 bathing suit swim wear Phineas and Ferb
      Opens in a new window or tab
      Brand New
      $14.99
      or Best Offer
      +$3.99 delivery
      Sponsored
    • Kid Boys Chic Animals Printed One-Piece Rash Guard with Sun Hat 2pcs Swimsuit Po
      Kid Boys Chic Animals Printed One-Piece Rash Guard with Sun Hat 2pcs Swimsuit Po
      Opens in a new window or tab
      Brand New
      $16.99
      Buy It Now
      Free delivery
      Sponsored
    • Cat and Jack size 6/7 boys Swim trucks bottoms mesh lined  multi colored
      Cat and Jack size 6/7 boys Swim trucks bottoms mesh lined multi colored
      Opens in a new window or tab
      Pre-Owned
      $12.99
      or Best Offer
      +$4.84 delivery
      Sponsored
    • NEW Boys OP Brand Swim Shorts Size 5T
      NEW Boys OP Brand Swim Shorts Size 5T
      Opens in a new window or tab
      Brand New
      $8.88
      Buy It Now
      +$5.99 delivery
      Sponsored
    • Boys Cat And Jack Size 5 Tropical Print Lined Trunks
      Boys Cat And Jack Size 5 Tropical Print Lined Trunks
      Opens in a new window or tab
      Pre-Owned
      $12.00
      Buy It Now
      +$4.00 delivery
      Sponsored
    • Ixtreme Boy Size 4 Swim Shirt and Shorts
      Ixtreme Boy Size 4 Swim Shirt and Shorts
      Opens in a new window or tab
      Pre-Owned
      $17.00
      or Best Offer
      +$4.71 delivery
      Sponsored
    • Boys Swimming Shirt And Swimming Shorts Size 4 UVGC
      Boys Swimming Shirt And Swimming Shorts Size 4 UVGC
      Opens in a new window or tab
      Pre-Owned
      $20.00
      or Best Offer
      Free delivery
      Sponsored
    • NEW Boys OP Brand Swim Shorts Size 4/5
      NEW Boys OP Brand Swim Shorts Size 4/5
      Opens in a new window or tab
      Brand New
      $9.99
      Buy It Now
      +$5.99 delivery
      Sponsored
    • Boys Swimming Shirt And Swimming Shorts Size 4 UGC
      Boys Swimming Shirt And Swimming Shorts Size 4 UGC
      Opens in a new window or tab
      Pre-Owned
      $20.00
      or Best Offer
      Free delivery
      Sponsored
    • 4 pr shorts 1 pr swim trunks for boys size 6 Polo, Old Skool, OP, Auth. Graphite
      4 pr shorts 1 pr swim trunks for boys size 6 Polo, Old Skool, OP, Auth. Graphite
      Opens in a new window or tab
      Pre-Owned
      $32.24
      Buy It Now
      +$11.99 delivery
      Sponsored
    • Cat and Jack Black, Orange, Blue swim trunks boy's size Small 4/5
      Cat and Jack Black, Orange, Blue swim trunks boy's size Small 4/5
      Opens in a new window or tab
      Pre-Owned
      $8.00
      or Best Offer
      +$8.44 delivery
      Sponsored
    • Boy’s Swim Trunks Size 4T & 5T Kids Clothes GOOD CONDITION
      Boy’s Swim Trunks Size 4T & 5T Kids Clothes GOOD CONDITION
      Opens in a new window or tab
      Pre-Owned
      $11.00
      or Best Offer
      +$5.99 delivery
      Sponsored
    • OP  Swim Trunks  Boys Size XS 4 to 5  Blue solid 100% Polyester sku4
      OP Swim Trunks Boys Size XS 4 to 5 Blue solid 100% Polyester sku4
      Opens in a new window or tab
      Pre-Owned
      $5.00
      or Best Offer
      +$5.00 delivery
      Free returns
      Sponsored
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