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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    Gap Kids Long Sleeve Button-Down Shirt (view 2)Gap Kids Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Gap Kids Long Sleeve Button-Down Shirt

    Gap Kids

    Long Sleeve Button-Down Shirt
    Size X-Small youth
    Baby Gap Short Sleeve Button-Down Shirt (view 2)Baby Gap Short Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Baby Gap Short Sleeve Button-Down Shirt

    Baby Gap

    Short Sleeve Button-Down Shirt
    Size 12-18 mo
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Espn Zone Long Sleeve T-Shirt (view 2)Espn Zone Long Sleeve T-Shirt (view 1)Price Drop
    View Product: Espn Zone Long Sleeve T-Shirt

    Espn Zone

    Long Sleeve T-Shirt
    Size Small youth
    Puma Active T-Shirt (view 2)Puma Active T-Shirt (view 1)Price Drop
    View Product: Puma Active T-Shirt

    Puma

    Active T-Shirt
    Size 6-9 mo
    Baby Gap Long Sleeve Button-Down Shirt (view 2)Baby Gap Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Baby Gap Long Sleeve Button-Down Shirt

    Baby Gap

    Long Sleeve Button-Down Shirt
    Size 12-18 mo
    Adidas Active T-Shirt (view 2)Adidas Active T-Shirt (view 1)Price Drop
    View Product: Adidas Active T-Shirt

    Adidas

    Active T-Shirt
    Size Medium youth
    Seed Long Sleeve T-Shirt (view 2)Seed Long Sleeve T-Shirt (view 1)Price Drop
    View Product: Seed Long Sleeve T-Shirt

    Seed

    Long Sleeve T-Shirt
    Size 3-6 mo
    Zara Short Sleeve Button-Down Shirt (view 2)Zara Short Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Zara Short Sleeve Button-Down Shirt

    Zara

    Short Sleeve Button-Down Shirt
    Size Small kids
    Nike Active T-Shirt (view 2)Nike Active T-Shirt (view 1)Price Drop
    View Product: Nike Active T-Shirt

    Nike

    Active T-Shirt
    Size Small youth
    H&M Pullover Sweater (view 2)H&M Pullover Sweater (view 1)Price Drop
    View Product: H&M Pullover Sweater

    H&M

    Pullover Sweater
    Size 3-6 mo
    Okay Short Sleeve T-Shirt (view 2)Okay Short Sleeve T-Shirt (view 1)Price Drop
    View Product: Okay Short Sleeve T-Shirt

    Okay

    Short Sleeve T-Shirt
    Size 80 cm
    B&C Short Sleeve T-Shirt (view 2)B&C Short Sleeve T-Shirt (view 1)Price Drop
    View Product: B&C Short Sleeve T-Shirt

    B&C

    Short Sleeve T-Shirt
    Size 9
    Okay Short Sleeve T-Shirt (view 2)Okay Short Sleeve T-Shirt (view 1)Price Drop
    View Product: Okay Short Sleeve T-Shirt

    Okay

    Short Sleeve T-Shirt
    Size 60 cm
    Alive Long Sleeve Turtleneck (view 2)Alive Long Sleeve Turtleneck (view 1)Price Drop
    View Product: Alive Long Sleeve Turtleneck

    Alive

    Long Sleeve Turtleneck
    Size 70 cm
    Junk Food Short Sleeve T-Shirt (view 2)Junk Food Short Sleeve T-Shirt (view 1)Price Drop
    View Product: Junk Food Short Sleeve T-Shirt

    Junk Food

    Short Sleeve T-Shirt
    Size X-Large kids
    Junk Food Short Sleeve T-Shirt (view 2)Junk Food Short Sleeve T-Shirt (view 1)Price Drop
    View Product: Junk Food Short Sleeve T-Shirt

    Junk Food

    Short Sleeve T-Shirt
    Size X-Small youth
    Unbranded Short Sleeve T-Shirt (view 2)Unbranded Short Sleeve T-Shirt (view 1)Price Drop
    View Product: Unbranded Short Sleeve T-Shirt

    Unbranded

    Short Sleeve T-Shirt
    Size X-Small kids
    Chaps Long Sleeve Button-Down Shirt (view 2)Chaps Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Chaps Long Sleeve Button-Down Shirt

    Chaps

    Long Sleeve Button-Down Shirt
    Size Preemie
    Coogi Long Sleeve Button-Down Shirt (view 2)Coogi Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Coogi Long Sleeve Button-Down Shirt

    Coogi

    Long Sleeve Button-Down Shirt
    Size 3-6 mo
    Zero Long Sleeve T-Shirt (view 2)Zero Long Sleeve T-Shirt (view 1)Price Drop
    View Product: Zero Long Sleeve T-Shirt

    Zero

    Long Sleeve T-Shirt
    Size X-Large kids
    Zero Short Sleeve T-Shirt (view 2)Zero Short Sleeve T-Shirt (view 1)Price Drop
    View Product: Zero Short Sleeve T-Shirt

    Zero

    Short Sleeve T-Shirt
    Size Medium kids
    Bebe Long Sleeve Button-Down Shirt (view 2)Bebe Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Bebe Long Sleeve Button-Down Shirt

    Bebe

    Long Sleeve Button-Down Shirt
    Size 12 mo
    Eclipse Active T-Shirt (view 2)Eclipse Active T-Shirt (view 1)Price Drop
    View Product: Eclipse Active T-Shirt

    Eclipse

    Active T-Shirt
    Size Small kids
    Talbots Long Sleeve Button-Down Shirt (view 2)Talbots Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Talbots Long Sleeve Button-Down Shirt

    Talbots

    Long Sleeve Button-Down Shirt
    Size X-Small kids Petite
    J.Crew Long Sleeve Button-Down Shirt (view 2)J.Crew Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: J.Crew Long Sleeve Button-Down Shirt

    J.Crew

    Long Sleeve Button-Down Shirt
    Size Newborn
    Gap Kids Long Sleeve Button-Down Shirt (view 2)Gap Kids Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Gap Kids Long Sleeve Button-Down Shirt

    Gap Kids

    Long Sleeve Button-Down Shirt
    Size X-Small youth
    Gap Fit Active T-Shirt (view 2)Gap Fit Active T-Shirt (view 1)Price Drop
    View Product: Gap Fit Active T-Shirt

    Gap Fit

    Active T-Shirt
    Size Large youth

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