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Whether it's a day at the pool or the beach, your little man needs a comfortable and stylish look. At thredUP, you'll find boys' swimwear in a variety of styles, colors, and designs that he will love, and at up to 90% off estimated retail, the prices will make you happy as well.

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    Maamgic Board Shorts (view 2)Maamgic Board Shorts (view 1)
    View Product: Maamgic Board Shorts

    Maamgic

    Board Shorts
    Size 2T
    $22.99
    64% off estimated retail
    Maamgic Board Shorts (view 2)Maamgic Board Shorts (view 1)
    View Product: Maamgic Board Shorts

    Maamgic

    Board Shorts
    Size 2T
    $22.99
    64% off estimated retail
    Tommy Bahama Rash Guard (view 2)Tommy Bahama Rash Guard (view 1)
    View Product: Tommy Bahama Rash Guard

    Tommy Bahama

    Rash Guard
    Size 2T
    $14.99
    44% off estimated retail
    OshKosh B'gosh Board Shorts (view 2)OshKosh B'gosh Board Shorts (view 1)
    View Product: OshKosh B'gosh Board Shorts

    OshKosh B'gosh

    Board Shorts
    Size 2T
    $14.99
    21% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    UV Skinz Rash Guard (view 2)UV Skinz Rash Guard (view 1)
    View Product: UV Skinz Rash Guard

    UV Skinz

    Rash Guard
    Size 2T
    $13.99
    48% off estimated retail
    Rugged Butts Rash Guard (view 2)Rugged Butts Rash Guard (view 1)
    View Product: Rugged Butts Rash Guard

    Rugged Butts

    Rash Guard
    Size 2T
    $10.99
    31% off estimated retail
    Rugged Butts Wetsuit (view 2)Rugged Butts Wetsuit (view 1)
    View Product: Rugged Butts Wetsuit

    Rugged Butts

    Wetsuit
    Size 2T
    $12.99
    60% off estimated retail
    Under Armour Board Shorts (view 2)Under Armour Board Shorts (view 1)Flawed Gem
    View Product: Under Armour Board Shorts

    Under Armour

    Board Shorts
    Size 2T
    $10.99
    44% off estimated retail
    Assorted Brands Wetsuit (view 2)Assorted Brands Wetsuit (view 1)
    View Product: Assorted Brands Wetsuit

    Assorted Brands

    Wetsuit
    Size 2T
    $23.99
    50% off estimated retail
    Mick Mack Ltd Rash Guard (view 2)Mick Mack Ltd Rash Guard (view 1)
    View Product: Mick Mack Ltd Rash Guard

    Mick Mack Ltd

    Rash Guard
    Size 2T
    $12.99 $10.39 20% off with code PLANET
    45% off estimated retail
    PLACE Sport Rash Guard (view 2)PLACE Sport Rash Guard (view 1)
    View Product: PLACE Sport Rash Guard

    PLACE Sport

    Rash Guard
    Size 2T
    $8.99 $7.19 20% off with code PLANET
    42% off estimated retail
    Small Steps Board Shorts (view 2)Small Steps Board Shorts (view 1)
    View Product: Small Steps Board Shorts

    Small Steps

    Board Shorts
    Size 2T
    $7.99 $6.39 20% off with code PLANET
    $7
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 2T
    $11.99 $9.59 20% off with code PLANET
    31% off estimated retail
    Assorted Brands Board Shorts (view 2)Assorted Brands Board Shorts (view 1)
    View Product: Assorted Brands Board Shorts

    Assorted Brands

    Board Shorts
    Size 2T
    $13.99 $10.49 25% off with code PLANET
    13% off estimated retail
    Assorted Brands Wetsuit (view 2)Assorted Brands Wetsuit (view 1)Price Drop
    View Product: Assorted Brands Wetsuit

    Assorted Brands

    Wetsuit
    Size 20
    $27.99 $20.99 25% off with code PLANET
    60% off estimated retail
    Assorted Brands Wetsuit (view 2)Assorted Brands Wetsuit (view 1)Price Drop
    View Product: Assorted Brands Wetsuit

    Assorted Brands

    Wetsuit
    Size 20
    $28.99 $21.74 25% off with code PLANET
    58% off estimated retail
    Assorted Brands Wetsuit (view 2)Assorted Brands Wetsuit (view 1)Price Drop
    View Product: Assorted Brands Wetsuit

    Assorted Brands

    Wetsuit
    Size 20
    $27.99 $20.99 25% off with code PLANET
    60% off estimated retail
    E.L.K. American Classic Board Shorts (view 2)E.L.K. American Classic Board Shorts (view 1)
    View Product: E.L.K. American Classic Board Shorts

    E.L.K. American Classic

    Board Shorts
    Size 2T
    $9.99 $6.99 30% off with code PLANET
    54% off estimated retail
    Assorted Brands Board Shorts (view 2)Assorted Brands Board Shorts (view 1)Price Drop
    View Product: Assorted Brands Board Shorts

    Assorted Brands

    Board Shorts
    Size 20
    $11.99 $9.59 20% off with code PLANET
    50% off estimated retail
    iXtreme Outfitters Board Shorts (view 2)iXtreme Outfitters Board Shorts (view 1)
    View Product: iXtreme Outfitters Board Shorts

    iXtreme Outfitters

    Board Shorts
    Size 2T
    $9.99 $7.49 25% off with code PLANET
    18% off estimated retail
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