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Boys' tops come in such a variety of styles and colors, they're the perfect way to start planning an entire outfit. Shop at thredUP when you're looking for an excellent selection of like-new boys' tops that range from casual to dressy and at prices up to 90% off estimated retail.

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26 items
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    Mick Mack Ltd Short Sleeve Button-Down Shirt (view 2)Mick Mack Ltd Short Sleeve Button-Down Shirt (view 1)
    View Product: Mick Mack Ltd Short Sleeve Button-Down Shirt

    Mick Mack Ltd

    Short Sleeve Button-Down Shirt
    Size 4T
    $8.99
    66% off estimated retail
    Wrangler Jeans Co Long Sleeve Button-Down Shirt (view 2)Wrangler Jeans Co Long Sleeve Button-Down Shirt (view 1)
    View Product: Wrangler Jeans Co Long Sleeve Button-Down Shirt

    Wrangler Jeans Co

    Long Sleeve Button-Down Shirt
    Size 4T
    $8.99
    66% off estimated retail
    Disney Parks Pullover Sweater (view 2)Disney Parks Pullover Sweater (view 1)
    View Product: Disney Parks Pullover Sweater

    Disney Parks

    Pullover Sweater
    Size 4T
    $24.99
    63% off estimated retail
    Ideology Short Sleeve T-Shirt (view 2)Ideology Short Sleeve T-Shirt (view 1)
    View Product: Ideology Short Sleeve T-Shirt

    Ideology

    Short Sleeve T-Shirt
    Size 4T
    $10.99
    38% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Mud Pie Long Sleeve T-Shirt (view 2)Mud Pie Long Sleeve T-Shirt (view 1)
    View Product: Mud Pie Long Sleeve T-Shirt

    Mud Pie

    Long Sleeve T-Shirt
    Size 4T
    $10.99
    38% off estimated retail
    Polo by Ralph Lauren Long Sleeve Polo (view 2)Polo by Ralph Lauren Long Sleeve Polo (view 1)
    View Product: Polo by Ralph Lauren Long Sleeve Polo

    Polo by Ralph Lauren

    Long Sleeve Polo
    Size 4T
    $12.99
    69% off estimated retail
    Zara Baby Long Sleeve T-Shirt (view 2)Zara Baby Long Sleeve T-Shirt (view 1)
    View Product: Zara Baby Long Sleeve T-Shirt

    Zara Baby

    Long Sleeve T-Shirt
    Size 9-12 mo
    $7.99
    46% off estimated retail
    Appaman Short Sleeve Button-Down Shirt (view 2)Appaman Short Sleeve Button-Down Shirt (view 1)
    View Product: Appaman Short Sleeve Button-Down Shirt

    Appaman

    Short Sleeve Button-Down Shirt
    Size 4T
    $9.99
    70% off estimated retail
    Baby Gap Short Sleeve Button-Down Shirt (view 2)Baby Gap Short Sleeve Button-Down Shirt (view 1)
    View Product: Baby Gap Short Sleeve Button-Down Shirt

    Baby Gap

    Short Sleeve Button-Down Shirt
    Size 4T
    $10.99
    59% off estimated retail
    Cotton Blu Long Sleeve Button-Down Shirt (view 2)Cotton Blu Long Sleeve Button-Down Shirt (view 1)
    View Product: Cotton Blu Long Sleeve Button-Down Shirt

    Cotton Blu

    Long Sleeve Button-Down Shirt
    Size 4T
    $10.99
    38% off estimated retail
    dip Long Sleeve Button-Down Shirt (view 2)dip Long Sleeve Button-Down Shirt (view 1)
    View Product: dip Long Sleeve Button-Down Shirt

    dip

    Long Sleeve Button-Down Shirt
    Size 4T
    $10.99 $8.79 20% off with code SHINE
    38% off estimated retail
    H&M Pullover Sweater (view 2)H&M Pullover Sweater (view 1)
    View Product: H&M Pullover Sweater

    H&M

    Pullover Sweater
    Size 9-12 mo
    $7.99 $6.39 20% off with code SHINE
    20% off estimated retail
    SNOZU One Piece Snowsuit (view 2)SNOZU One Piece Snowsuit (view 1)
    View Product: SNOZU One Piece Snowsuit

    SNOZU

    One Piece Snowsuit
    Size 9-12 mo
    $14.99 $11.24 25% off with code SHINE
    31% off estimated retail
    Polo by Ralph Lauren Sweatshirt (view 2)Polo by Ralph Lauren Sweatshirt (view 1)
    View Product: Polo by Ralph Lauren Sweatshirt

    Polo by Ralph Lauren

    Sweatshirt
    Size 4T
    $18.99 $13.29 30% off with code SHINE
    64% off estimated retail
    Polo by Ralph Lauren Long Sleeve Polo (view 2)Polo by Ralph Lauren Long Sleeve Polo (view 1)
    View Product: Polo by Ralph Lauren Long Sleeve Polo

    Polo by Ralph Lauren

    Long Sleeve Polo
    Size 4T
    $12.99 $10.39 20% off with code SHINE
    69% off estimated retail
    Andy & Evan Long Sleeve Button-Down Shirt (view 2)Andy & Evan Long Sleeve Button-Down Shirt (view 1)
    View Product: Andy & Evan Long Sleeve Button-Down Shirt

    Andy & Evan

    Long Sleeve Button-Down Shirt
    Size 4T
    $16.99 $13.59 20% off with code SHINE
    81% off estimated retail
    Class Club Long Sleeve Button-Down Shirt (view 2)Class Club Long Sleeve Button-Down Shirt (view 1)
    View Product: Class Club Long Sleeve Button-Down Shirt

    Class Club

    Long Sleeve Button-Down Shirt
    Size 4T
    $11.99 $9.59 20% off with code SHINE
    55% off estimated retail
    Members Only Short Sleeve T-Shirt (view 2)Members Only Short Sleeve T-Shirt (view 1)
    View Product: Members Only Short Sleeve T-Shirt

    Members Only

    Short Sleeve T-Shirt
    Size 4T
    $12.99 $9.74 25% off with code SHINE
    63% off estimated retail
    Ralph Lauren Long Sleeve Button-Down Shirt (view 2)Ralph Lauren Long Sleeve Button-Down Shirt (view 1)
    View Product: Ralph Lauren Long Sleeve Button-Down Shirt

    Ralph Lauren

    Long Sleeve Button-Down Shirt
    Size 4T
    $14.99 $11.99 20% off with code SHINE
    76% off estimated retail
    Ralph Lauren Long Sleeve Button-Down Shirt (view 2)Ralph Lauren Long Sleeve Button-Down Shirt (view 1)
    View Product: Ralph Lauren Long Sleeve Button-Down Shirt

    Ralph Lauren

    Long Sleeve Button-Down Shirt
    Size 4T
    $14.99 $11.99 20% off with code SHINE
    76% off estimated retail
    Shrimp & Grits Kids Long Sleeve Button-Down Shirt (view 2)Shrimp & Grits Kids Long Sleeve Button-Down Shirt (view 1)
    View Product: Shrimp & Grits Kids Long Sleeve Button-Down Shirt

    Shrimp & Grits Kids

    Long Sleeve Button-Down Shirt
    Size 4T
    $16.99 $12.74 25% off with code SHINE
    69% off estimated retail
    Gymboree Zip Up Hoodie (view 2)Gymboree Zip Up Hoodie (view 1)
    View Product: Gymboree Zip Up Hoodie

    Gymboree

    Zip Up Hoodie
    Size 4T
    $9.99 $7.99 20% off with code SHINE
    73% off estimated retail
    Egg New York Long Sleeve Button-Down Shirt (view 2)Egg New York Long Sleeve Button-Down Shirt (view 1)
    View Product: Egg New York Long Sleeve Button-Down Shirt

    Egg New York

    Long Sleeve Button-Down Shirt
    Size 4T
    $15.99 $11.99 25% off with code SHINE
    85% off estimated retail
    Tea Long Sleeve Button-Down Shirt (view 2)Tea Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Tea Long Sleeve Button-Down Shirt

    Tea

    Long Sleeve Button-Down Shirt
    Size 9-12 mo
    $9.99 $7.99 20% off with code SHINE
    76% off estimated retail
    Gymboree Long Sleeve Button-Down Shirt (view 2)Gymboree Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Gymboree Long Sleeve Button-Down Shirt

    Gymboree

    Long Sleeve Button-Down Shirt
    Size 4T
    $9.99 $7.99 20% off with code SHINE
    65% off estimated retail
    Fore!! Axel & Hudson Long Sleeve Button-Down Shirt (view 2)Fore!! Axel & Hudson Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Fore!! Axel & Hudson Long Sleeve Button-Down Shirt

    Fore!! Axel & Hudson

    Long Sleeve Button-Down Shirt
    Size 9-12 mo
    $9.99 $7.49 25% off with code SHINE
    86% off estimated retail
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