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Boys' activewear tops are ideal for the busy little men in your life. You'll never pay retail for these hard-wearing apparel items again when you shop at thredUP.

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21 items
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    Champion Active T-Shirt (view 2)Champion Active T-Shirt (view 1)
    View Product: Champion Active T-Shirt

    Champion

    Active T-Shirt
    Size 2T
    $11.99
    25% off estimated retail
    Adidas Active T-Shirt (view 2)Adidas Active T-Shirt (view 1)
    View Product: Adidas Active T-Shirt

    Adidas

    Active T-Shirt
    Size 2T
    $13.99
    48% off estimated retail
    Nike Active T-Shirt (view 2)Nike Active T-Shirt (view 1)
    View Product: Nike Active T-Shirt

    Nike

    Active T-Shirt
    Size 2T
    $10.99
    59% off estimated retail
    Nike Active Tank (view 2)Nike Active Tank (view 1)
    View Product: Nike Active Tank

    Nike

    Active Tank
    Size 2T
    $9.99
    63% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Puma Active T-Shirt (view 2)Puma Active T-Shirt (view 1)
    View Product: Puma Active T-Shirt

    Puma

    Active T-Shirt
    Size 2T
    $12.99
    40% off estimated retail
    Under Armour Active T-Shirt (view 2)Under Armour Active T-Shirt (view 1)
    View Product: Under Armour Active T-Shirt

    Under Armour

    Active T-Shirt
    Size 2T
    $14.99
    44% off estimated retail
    Under Armour Active T-Shirt (view 2)Under Armour Active T-Shirt (view 1)
    View Product: Under Armour Active T-Shirt

    Under Armour

    Active T-Shirt
    Size 2T
    $13.99 $10.49 25% off with code HOTDEAL
    48% off estimated retail
    Ideology Active T-Shirt (view 2)Ideology Active T-Shirt (view 1)
    View Product: Ideology Active T-Shirt

    Ideology

    Active T-Shirt
    Size 2T
    $9.99 $7.99 20% off with code HOTDEAL
    54% off estimated retail
    Nike Active T-Shirt (view 2)Nike Active T-Shirt (view 1)
    View Product: Nike Active T-Shirt

    Nike

    Active T-Shirt
    Size 2T
    $10.99 $8.79 20% off with code HOTDEAL
    59% off estimated retail
    Under Armour Active T-Shirt (view 2)Under Armour Active T-Shirt (view 1)
    View Product: Under Armour Active T-Shirt

    Under Armour

    Active T-Shirt
    Size 2T
    $10.99 $8.79 20% off with code HOTDEAL
    59% off estimated retail
    Nike Active T-Shirt (view 2)Nike Active T-Shirt (view 1)
    View Product: Nike Active T-Shirt

    Nike

    Active T-Shirt
    Size 2T
    $10.99 $8.79 20% off with code HOTDEAL
    59% off estimated retail
    NFL Active T-Shirt (view 2)NFL Active T-Shirt (view 1)
    View Product: NFL Active T-Shirt

    NFL

    Active T-Shirt
    Size 2T
    $13.99 $11.19 20% off with code HOTDEAL
    57% off estimated retail
    Sondico Active T-Shirt (view 2)Sondico Active T-Shirt (view 1)
    View Product: Sondico Active T-Shirt

    Sondico

    Active T-Shirt
    Size 2T
    $10.99 $8.79 20% off with code HOTDEAL
    50% off estimated retail
    Nike Active T-Shirt (view 2)Nike Active T-Shirt (view 1)
    View Product: Nike Active T-Shirt

    Nike

    Active T-Shirt
    Size 2T
    $9.99 $7.99 20% off with code HOTDEAL
    63% off estimated retail
    Under Armour Active T-Shirt (view 2)Under Armour Active T-Shirt (view 1)
    View Product: Under Armour Active T-Shirt

    Under Armour

    Active T-Shirt
    Size 2T
    $15.99 $11.19 30% off with code HOTDEAL
    40% off estimated retail
    Adidas Active T-Shirt (view 2)Adidas Active T-Shirt (view 1)
    View Product: Adidas Active T-Shirt

    Adidas

    Active T-Shirt
    Size 2T
    $11.99 $9.59 20% off with code HOTDEAL
    55% off estimated retail
    Under Armour Active T-Shirt (view 2)Under Armour Active T-Shirt (view 1)
    View Product: Under Armour Active T-Shirt

    Under Armour

    Active T-Shirt
    Size 2T
    $10.99 $8.79 20% off with code HOTDEAL
    59% off estimated retail
    Athletic Works Active T-Shirt (view 2)Athletic Works Active T-Shirt (view 1)
    View Product: Athletic Works Active T-Shirt

    Athletic Works

    Active T-Shirt
    Size 2T
    $9.99 $7.99 20% off with code HOTDEAL
    $11
    Under Armour Active T-Shirt (view 2)Under Armour Active T-Shirt (view 1)Price Drop
    View Product: Under Armour Active T-Shirt

    Under Armour

    Active T-Shirt
    Size 2T
    $12.99 $9.74 25% off with code HOTDEAL
    51% off estimated retail
    Pro Player Active T-Shirt (view 2)Pro Player Active T-Shirt (view 1)Price Drop
    View Product: Pro Player Active T-Shirt

    Pro Player

    Active T-Shirt
    Size 2T
    $8.99 $7.19 20% off with code HOTDEAL
    18% off estimated retail
    Capelli Sport Active T-Shirt (view 2)Capelli Sport Active T-Shirt (view 1)Price Drop
    View Product: Capelli Sport Active T-Shirt

    Capelli Sport

    Active T-Shirt
    Size 2T
    $10.99 $8.24 25% off with code HOTDEAL
    59% off estimated retail
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