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Shop thredUP for designer brands in boys' board shorts, including Circo and Baby Gap. Get pre-loved swimwear for boys big and small at up to 90% off estimated retail prices.

Board ShortsRemove filter12-18 moRemove filter
57 items
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    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size 12-18 mo
    $9.99
    52% off estimated retail
    Gymboree Board Shorts (view 2)Gymboree Board Shorts (view 1)
    View Product: Gymboree Board Shorts

    Gymboree

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    66% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $10.99 $8.79 20% off with code THANKU
    31% off estimated retail
    Janie and Jack Board Shorts (view 2)Janie and Jack Board Shorts (view 1)
    View Product: Janie and Jack Board Shorts

    Janie and Jack

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    50% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Janie and Jack Board Shorts (view 2)Janie and Jack Board Shorts (view 1)
    View Product: Janie and Jack Board Shorts

    Janie and Jack

    Board Shorts
    Size 12-18 mo
    $9.99 $7.99 20% off with code THANKU
    44% off estimated retail
    Janie and Jack Board Shorts (view 2)Janie and Jack Board Shorts (view 1)
    View Product: Janie and Jack Board Shorts

    Janie and Jack

    Board Shorts
    Size 12-18 mo
    $6.99 $5.59 20% off with code THANKU
    61% off estimated retail
    LC Waikiki Board Shorts (view 2)LC Waikiki Board Shorts (view 1)
    View Product: LC Waikiki Board Shorts

    LC Waikiki

    Board Shorts
    Size 12-18 mo
    $11.99 $9.59 20% off with code THANKU
    $11
    Tea Board Shorts (view 2)Tea Board Shorts (view 1)
    View Product: Tea Board Shorts

    Tea

    Board Shorts
    Size 12-18 mo
    $17.99 $13.49 25% off with code THANKU
    51% off estimated retail
    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size 12-18 mo
    $11.99 $9.59 20% off with code THANKU
    42% off estimated retail
    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size 12-18 mo
    $9.99 $7.99 20% off with code THANKU
    52% off estimated retail
    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    57% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    43% off estimated retail
    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size 12-18 mo
    $7.99 $6.39 20% off with code THANKU
    61% off estimated retail
    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size 12-18 mo
    $11.99 $9.59 20% off with code THANKU
    42% off estimated retail
    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    57% off estimated retail
    Carter's Board Shorts (view 2)Carter's Board Shorts (view 1)
    View Product: Carter's Board Shorts

    Carter's

    Board Shorts
    Size 12-18 mo
    $12.99 $10.39 20% off with code THANKU
    56% off estimated retail
    Tea Board Shorts (view 2)Tea Board Shorts (view 1)
    View Product: Tea Board Shorts

    Tea

    Board Shorts
    Size 12-18 mo
    $14.99 $10.49 30% off with code THANKU
    59% off estimated retail
    Gymboree Board Shorts (view 2)Gymboree Board Shorts (view 1)
    View Product: Gymboree Board Shorts

    Gymboree

    Board Shorts
    Size 12-18 mo
    $4.99 $3.99 20% off with code THANKU
    81% off estimated retail
    UV Skinz Board Shorts (view 2)UV Skinz Board Shorts (view 1)
    View Product: UV Skinz Board Shorts

    UV Skinz

    Board Shorts
    Size 12-18 mo
    $10.99 $8.79 20% off with code THANKU
    38% off estimated retail
    Tommy Hilfiger Board Shorts (view 2)Tommy Hilfiger Board Shorts (view 1)
    View Product: Tommy Hilfiger Board Shorts

    Tommy Hilfiger

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    50% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $7.99 $6.39 20% off with code THANKU
    50% off estimated retail
    UV Skinz Board Shorts (view 2)UV Skinz Board Shorts (view 1)Price Drop
    View Product: UV Skinz Board Shorts

    UV Skinz

    Board Shorts
    Size 12-18 mo
    $9.99 $7.99 20% off with code THANKU
    44% off estimated retail
    Gymboree Board Shorts (view 2)Gymboree Board Shorts (view 1)Price Drop
    View Product: Gymboree Board Shorts

    Gymboree

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    66% off estimated retail
    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)Price Drop
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    57% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    43% off estimated retail
    Gymboree Board Shorts (view 2)Gymboree Board Shorts (view 1)Price Drop
    View Product: Gymboree Board Shorts

    Gymboree

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    66% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    43% off estimated retail
    Gymboree Board Shorts (view 2)Gymboree Board Shorts (view 1)Price Drop
    View Product: Gymboree Board Shorts

    Gymboree

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    66% off estimated retail
    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)Price Drop
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    57% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    43% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    43% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    43% off estimated retail
    Gymboree Board Shorts (view 2)Gymboree Board Shorts (view 1)Price Drop
    View Product: Gymboree Board Shorts

    Gymboree

    Board Shorts
    Size 12-18 mo
    $9.99 $7.99 20% off with code THANKU
    63% off estimated retail
    The Children's Place Board Shorts (view 2)The Children's Place Board Shorts (view 1)Price Drop
    View Product: The Children's Place Board Shorts

    The Children's Place

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    43% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    43% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $9.99 $7.99 20% off with code THANKU
    37% off estimated retail
    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)Price Drop
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size 12-18 mo
    $9.99 $7.99 20% off with code THANKU
    52% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $9.99 $7.99 20% off with code THANKU
    37% off estimated retail
    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)Price Drop
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    57% off estimated retail
    Gymboree Board Shorts (view 2)Gymboree Board Shorts (view 1)Price Drop
    View Product: Gymboree Board Shorts

    Gymboree

    Board Shorts
    Size 12-18 mo
    $9.99 $7.99 20% off with code THANKU
    63% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $9.99 $7.99 20% off with code THANKU
    37% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    43% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    43% off estimated retail
    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)Price Drop
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    57% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $7.99 $6.39 20% off with code THANKU
    42% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    43% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    43% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    40% off estimated retail
    Gymboree Board Shorts (view 2)Gymboree Board Shorts (view 1)Price Drop
    View Product: Gymboree Board Shorts

    Gymboree

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    64% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    40% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    40% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    40% off estimated retail
    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)Price Drop
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    55% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    40% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    40% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $7.99 $6.39 20% off with code THANKU
    46% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 12-18 mo
    $7.99 $6.39 20% off with code THANKU
    46% off estimated retail
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