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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.

Long SleeveRemove filter18-24 moRemove filter6XRemove filter
47 items
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    Mini Boden Pullover Hoodie (view 2)Mini Boden Pullover Hoodie (view 1)
    View Product: Mini Boden Pullover Hoodie

    Mini Boden

    Pullover Hoodie
    Size 18-24 mo
    $17.99
    50% off estimated retail
    Hanna Andersson Long Sleeve T-Shirt (view 2)Hanna Andersson Long Sleeve T-Shirt (view 1)
    View Product: Hanna Andersson Long Sleeve T-Shirt

    Hanna Andersson

    Long Sleeve T-Shirt
    Size 18-24 mo
    $9.99
    52% off estimated retail
    Hanna Andersson Long Sleeve T-Shirt (view 2)Hanna Andersson Long Sleeve T-Shirt (view 1)
    View Product: Hanna Andersson Long Sleeve T-Shirt

    Hanna Andersson

    Long Sleeve T-Shirt
    Size 18-24 mo
    $16.99
    33% off estimated retail
    Splendid Zip Up Hoodie (view 2)Splendid Zip Up Hoodie (view 1)
    View Product: Splendid Zip Up Hoodie

    Splendid

    Zip Up Hoodie
    Size 18-24 mo
    $17.99
    59% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Splendid Zip Up Hoodie (view 2)Splendid Zip Up Hoodie (view 1)
    View Product: Splendid Zip Up Hoodie

    Splendid

    Zip Up Hoodie
    Size 18-24 mo
    $11.99
    72% off estimated retail
    Mori Long Sleeve T-Shirt (view 2)Mori Long Sleeve T-Shirt (view 1)
    View Product: Mori Long Sleeve T-Shirt

    Mori

    Long Sleeve T-Shirt
    Size 18-24 mo
    $8.99
    59% off estimated retail
    Hanna Andersson Long Sleeve T-Shirt (view 2)Hanna Andersson Long Sleeve T-Shirt (view 1)
    View Product: Hanna Andersson Long Sleeve T-Shirt

    Hanna Andersson

    Long Sleeve T-Shirt
    Size 18-24 mo
    $9.99
    52% off estimated retail
    Star Wars Zip Up Hoodie (view 2)Star Wars Zip Up Hoodie (view 1)
    View Product: Star Wars Zip Up Hoodie

    Star Wars

    Zip Up Hoodie
    Size 18-24 mo
    $12.99
    26% off estimated retail
    Zara Baby Long Sleeve Henley (view 2)Zara Baby Long Sleeve Henley (view 1)
    View Product: Zara Baby Long Sleeve Henley

    Zara Baby

    Long Sleeve Henley
    Size 18-24 mo
    $13.99 $11.19 20% off with code HOTDEAL
    58% off estimated retail
    Janie and Jack Pullover Sweater (view 2)Janie and Jack Pullover Sweater (view 1)
    View Product: Janie and Jack Pullover Sweater

    Janie and Jack

    Pullover Sweater
    Size 18-24 mo
    $22.99 $17.24 25% off with code HOTDEAL
    63% off estimated retail
    Hope & Henry Pullover Sweater (view 2)Hope & Henry Pullover Sweater (view 1)
    View Product: Hope & Henry Pullover Sweater

    Hope & Henry

    Pullover Sweater
    Size 18-24 mo
    $15.99 $12.79 20% off with code HOTDEAL
    63% 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 18-24 mo
    $6.99 $5.59 20% off with code HOTDEAL
    60% off estimated retail
    Gap x Disney Pullover Hoodie (view 2)Gap x Disney Pullover Hoodie (view 1)
    View Product: Gap x Disney Pullover Hoodie

    Gap x Disney

    Pullover Hoodie
    Size 18-24 mo
    $17.99 $13.49 25% off with code HOTDEAL
    65% off estimated retail
    Janie and Jack Long Sleeve T-Shirt (view 2)Janie and Jack Long Sleeve T-Shirt (view 1)Flawed Gem
    View Product: Janie and Jack Long Sleeve T-Shirt

    Janie and Jack

    Long Sleeve T-Shirt
    Size 18-24 mo
    $8.99 $7.19 20% off with code HOTDEAL
    66% off estimated retail
    Janie and Jack Pullover Sweater (view 2)Janie and Jack Pullover Sweater (view 1)
    View Product: Janie and Jack Pullover Sweater

    Janie and Jack

    Pullover Sweater
    Size 18-24 mo
    $18.99 $14.24 25% off with code HOTDEAL
    69% off estimated retail
    Unbranded Pullover Hoodie (view 2)Unbranded Pullover Hoodie (view 1)
    View Product: Unbranded Pullover Hoodie

    Unbranded

    Pullover Hoodie
    Size 18-24 mo
    $13.99 $11.19 20% off with code HOTDEAL
    51% off estimated retail
    Tu Pullover Sweater (view 2)Tu Pullover Sweater (view 1)
    View Product: Tu Pullover Sweater

    Tu

    Pullover Sweater
    Size 18-24 mo
    $13.99 $10.49 25% off with code HOTDEAL
    22% off estimated retail
    Baby Gap Pullover Sweater (view 2)Baby Gap Pullover Sweater (view 1)
    View Product: Baby Gap Pullover Sweater

    Baby Gap

    Pullover Sweater
    Size 18-24 mo
    $17.99 $14.39 20% off with code HOTDEAL
    59% off estimated retail
    Gap X Star Wars Long Sleeve T-Shirt (view 2)Gap X Star Wars Long Sleeve T-Shirt (view 1)
    View Product: Gap X Star Wars Long Sleeve T-Shirt

    Gap X Star Wars

    Long Sleeve T-Shirt
    Size 18-24 mo
    $8.99 $7.19 20% off with code HOTDEAL
    55% off estimated retail
    Janie and Jack Long Sleeve Button-Down Shirt (view 2)Janie and Jack Long Sleeve Button-Down Shirt (view 1)
    View Product: Janie and Jack Long Sleeve Button-Down Shirt

    Janie and Jack

    Long Sleeve Button-Down Shirt
    Size 18-24 mo
    $12.99 $10.39 20% off with code HOTDEAL
    71% off estimated retail
    Angel Dear Long Sleeve Henley (view 2)Angel Dear Long Sleeve Henley (view 1)
    View Product: Angel Dear Long Sleeve Henley

    Angel Dear

    Long Sleeve Henley
    Size 18-24 mo
    $13.99 $11.19 20% off with code HOTDEAL
    58% off estimated retail
    Splendid Pullover Sweater (view 2)Splendid Pullover Sweater (view 1)
    View Product: Splendid Pullover Sweater

    Splendid

    Pullover Sweater
    Size 18-24 mo
    $17.99 $14.39 20% off with code HOTDEAL
    72% off estimated retail
    Splendid Pullover Sweater (view 2)Splendid Pullover Sweater (view 1)
    View Product: Splendid Pullover Sweater

    Splendid

    Pullover Sweater
    Size 18-24 mo
    $18.99 $14.24 25% off with code HOTDEAL
    70% off estimated retail
    Splendid Pullover Hoodie (view 2)Splendid Pullover Hoodie (view 1)
    View Product: Splendid Pullover Hoodie

    Splendid

    Pullover Hoodie
    Size 18-24 mo
    $20.99 $15.74 25% off with code HOTDEAL
    61% off estimated retail
    Janie and Jack Pullover Hoodie (view 2)Janie and Jack Pullover Hoodie (view 1)
    View Product: Janie and Jack Pullover Hoodie

    Janie and Jack

    Pullover Hoodie
    Size 18-24 mo
    $16.99 $13.59 20% off with code HOTDEAL
    61% off estimated retail
    Baby Gap Long Sleeve Button-Down Shirt (view 2)Baby Gap Long Sleeve Button-Down Shirt (view 1)
    View Product: Baby Gap Long Sleeve Button-Down Shirt

    Baby Gap

    Long Sleeve Button-Down Shirt
    Size 18-24 mo
    $15.99 $12.79 20% off with code HOTDEAL
    51% off estimated retail
    H&M Sweatshirt (view 2)H&M Sweatshirt (view 1)
    View Product: H&M Sweatshirt

    H&M

    Sweatshirt
    Size 18-24 mo
    $11.99 $9.59 20% off with code HOTDEAL
    23% off estimated retail
    Janie and Jack Long Sleeve Button-Down Shirt (view 2)Janie and Jack Long Sleeve Button-Down Shirt (view 1)
    View Product: Janie and Jack Long Sleeve Button-Down Shirt

    Janie and Jack

    Long Sleeve Button-Down Shirt
    Size 18-24 mo
    $15.99 $12.79 20% off with code HOTDEAL
    66% off estimated retail
    Baby Gap Pullover Sweater (view 2)Baby Gap Pullover Sweater (view 1)
    View Product: Baby Gap Pullover Sweater

    Baby Gap

    Pullover Sweater
    Size 18-24 mo
    $17.99 $14.39 20% off with code HOTDEAL
    59% off estimated retail
    Crazy 8 Long Sleeve Button-Down Shirt (view 2)Crazy 8 Long Sleeve Button-Down Shirt (view 1)
    View Product: Crazy 8 Long Sleeve Button-Down Shirt

    Crazy 8

    Long Sleeve Button-Down Shirt
    Size 18-24 mo
    $12.99 $10.39 20% off with code HOTDEAL
    38% off estimated retail
    Baby Gap Long Sleeve Button-Down Shirt (view 2)Baby Gap Long Sleeve Button-Down Shirt (view 1)
    View Product: Baby Gap Long Sleeve Button-Down Shirt

    Baby Gap

    Long Sleeve Button-Down Shirt
    Size 18-24 mo
    $12.99 $10.39 20% off with code HOTDEAL
    59% off estimated retail
    Janie and Jack Long Sleeve Button-Down Shirt (view 2)Janie and Jack Long Sleeve Button-Down Shirt (view 1)
    View Product: Janie and Jack Long Sleeve Button-Down Shirt

    Janie and Jack

    Long Sleeve Button-Down Shirt
    Size 18-24 mo
    $13.99 $11.19 20% off with code HOTDEAL
    69% off estimated retail
    Zara Baby Pullover Sweater (view 2)Zara Baby Pullover Sweater (view 1)
    View Product: Zara Baby Pullover Sweater

    Zara Baby

    Pullover Sweater
    Size 18-24 mo
    $18.99 $15.19 20% off with code HOTDEAL
    55% off estimated retail
    Janie and Jack Long Sleeve T-Shirt (view 2)Janie and Jack Long Sleeve T-Shirt (view 1)
    View Product: Janie and Jack Long Sleeve T-Shirt

    Janie and Jack

    Long Sleeve T-Shirt
    Size 18-24 mo
    $12.99 $10.39 20% off with code HOTDEAL
    67% off estimated retail
    Baby Gap Pullover Hoodie (view 2)Baby Gap Pullover Hoodie (view 1)
    View Product: Baby Gap Pullover Hoodie

    Baby Gap

    Pullover Hoodie
    Size 18-24 mo
    $15.99 $11.99 25% off with code HOTDEAL
    59% off estimated retail
    Baby Gap Pullover Sweater (view 2)Baby Gap Pullover Sweater (view 1)
    View Product: Baby Gap Pullover Sweater

    Baby Gap

    Pullover Sweater
    Size 18-24 mo
    $20.99 $16.79 20% off with code HOTDEAL
    54% off estimated retail
    Janie and Jack Pullover Sweater (view 2)Janie and Jack Pullover Sweater (view 1)
    View Product: Janie and Jack Pullover Sweater

    Janie and Jack

    Pullover Sweater
    Size 18-24 mo
    $21.99 $16.49 25% off with code HOTDEAL
    65% off estimated retail
    Old Navy Zip Up Hoodie (view 2)Old Navy Zip Up Hoodie (view 1)
    View Product: Old Navy Zip Up Hoodie

    Old Navy

    Zip Up Hoodie
    Size 18-24 mo
    $13.99 $11.19 20% off with code HOTDEAL
    33% off estimated retail
    Shein Pullover Sweater (view 2)Shein Pullover Sweater (view 1)
    View Product: Shein Pullover Sweater

    Shein

    Pullover Sweater
    Size 18-24 mo
    $10.99 $8.79 20% off with code HOTDEAL
    38% off estimated retail
    Baby Gap Zip Up Hoodie (view 2)Baby Gap Zip Up Hoodie (view 1)
    View Product: Baby Gap Zip Up Hoodie

    Baby Gap

    Zip Up Hoodie
    Size 18-24 mo
    $20.99 $16.79 20% off with code HOTDEAL
    46% off estimated retail
    PLACE Sport Zip Up Hoodie (view 2)PLACE Sport Zip Up Hoodie (view 1)
    View Product: PLACE Sport Zip Up Hoodie

    PLACE Sport

    Zip Up Hoodie
    Size 18-24 mo
    $11.99 $9.59 20% off with code HOTDEAL
    44% off estimated retail
    Baby Gap Pullover Sweater (view 2)Baby Gap Pullover Sweater (view 1)
    View Product: Baby Gap Pullover Sweater

    Baby Gap

    Pullover Sweater
    Size 18-24 mo
    $16.99 $12.74 25% off with code HOTDEAL
    62% off estimated retail
    Baby Gap Pullover Sweater (view 2)Baby Gap Pullover Sweater (view 1)Price Drop
    View Product: Baby Gap Pullover Sweater

    Baby Gap

    Pullover Sweater
    Size 18-24 mo
    $18.99 $13.29 30% off with code HOTDEAL
    56% off estimated retail
    Baby Gap Zip Up Hoodie (view 2)Baby Gap Zip Up Hoodie (view 1)Price Drop
    View Product: Baby Gap Zip Up Hoodie

    Baby Gap

    Zip Up Hoodie
    Size 18-24 mo
    $15.99 $10.39 35% off with code HOTDEAL
    59% off estimated retail
    Old Navy Sweatshirt (view 2)Old Navy Sweatshirt (view 1)Price Drop
    View Product: Old Navy Sweatshirt

    Old Navy

    Sweatshirt
    Size 18-24 mo
    $12.99 $8.44 35% off with code HOTDEAL
    52% off estimated retail
    Primark Zip Up Hoodie (view 2)Primark Zip Up Hoodie (view 1)Price Drop
    View Product: Primark Zip Up Hoodie

    Primark

    Zip Up Hoodie
    Size 18-24 mo
    $11.99 $7.79 35% off with code HOTDEAL
    33% off estimated retail
    Old Navy Zip Up Hoodie (view 2)Old Navy Zip Up Hoodie (view 1)Price Drop
    View Product: Old Navy Zip Up Hoodie

    Old Navy

    Zip Up Hoodie
    Size 18-24 mo
    $11.24 $7.31 35% off with code HOTDEAL
    50% off estimated retail
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