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.

Suggestions

1,881 items
Sort by:
    Fila Sport Active T-Shirt (view 2)Fila Sport Active T-Shirt (view 1)
    View Product: Fila Sport Active T-Shirt

    Fila Sport

    Active T-Shirt
    Size Medium infants
    $5.99 $4.79 20% off with code SHINE
    77% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Real Essentials Active T-Shirt (view 2)Real Essentials Active T-Shirt (view 1)
    View Product: Real Essentials Active T-Shirt

    Real Essentials

    Active T-Shirt
    Size Medium infants
    $6.99
    36% off estimated retail
    Team Active T-Shirt (view 2)Team Active T-Shirt (view 1)
    View Product: Team Active T-Shirt

    Team

    Active T-Shirt
    Size Medium infants
    $6.99 $5.59 20% off with code SHINE
    56% off estimated retail
    Youngland Active T-Shirt (view 2)Youngland Active T-Shirt (view 1)
    View Product: Youngland Active T-Shirt

    Youngland

    Active T-Shirt
    Size Medium kids
    $6.99 $5.59 20% off with code SHINE
    56% off estimated retail
    Slazenger Active T-Shirt (view 2)Slazenger Active T-Shirt (view 1)
    View Product: Slazenger Active T-Shirt

    Slazenger

    Active T-Shirt
    Size X-Small kids
    $6.99 $5.59 20% off with code SHINE
    50% off estimated retail
    A4 Active Tank (view 2)A4 Active Tank (view 1)Price Drop
    View Product: A4 Active Tank

    A4

    Active Tank
    Size Large youth
    $6.99 $5.59 20% off with code SHINE
    56% off estimated retail
    O'Rageous Active T-Shirt (view 2)O'Rageous Active T-Shirt (view 1)Price Drop
    View Product: O'Rageous Active T-Shirt

    O'Rageous

    Active T-Shirt
    Size Small infants
    $6.99 $5.59 20% off with code SHINE
    56% off estimated retail
    Holloway Active T-Shirt (view 2)Holloway Active T-Shirt (view 1)Price Drop
    View Product: Holloway Active T-Shirt

    Holloway

    Active T-Shirt
    Size Small youth
    $6.99 $5.59 20% off with code SHINE
    56% off estimated retail
    DNA Active T-Shirt (view 2)DNA Active T-Shirt (view 1)Price Drop
    View Product: DNA Active T-Shirt

    DNA

    Active T-Shirt
    Size Medium infants
    $6.99 $5.59 20% off with code SHINE
    30% 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 X-Small kids
    $7.99
    42% off estimated retail
    C9 By Champion Active T-Shirt (view 2)C9 By Champion Active T-Shirt (view 1)
    View Product: C9 By Champion Active T-Shirt

    C9 By Champion

    Active T-Shirt
    Size 4
    $7.99
    42% 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 10
    $7.99
    50% off estimated retail
    Mizuno Active T-Shirt (view 2)Mizuno Active T-Shirt (view 1)
    View Product: Mizuno Active T-Shirt

    Mizuno

    Active T-Shirt
    Size Medium youth
    $7.99 $6.39 20% off with code SHINE
    50% off estimated retail
    Gap Active Tank (view 2)Gap Active Tank (view 1)
    View Product: Gap Active Tank

    Gap

    Active Tank
    Size 18-24 mo
    $7.99 $6.39 20% off with code SHINE
    50% off estimated retail
    Champion Active T-Shirt (view 2)Champion Active T-Shirt (view 1)Flawed Gem
    View Product: Champion Active T-Shirt

    Champion

    Active T-Shirt
    Size Medium infants
    $7.99 $6.39 20% off with code SHINE
    27% off estimated retail
    Express Active T-Shirt (view 2)Express Active T-Shirt (view 1)
    View Product: Express Active T-Shirt

    Express

    Active T-Shirt
    Size Medium infants
    $7.99 $6.39 20% off with code SHINE
    27% off estimated retail
    Zion Active T-Shirt (view 2)Zion Active T-Shirt (view 1)
    View Product: Zion Active T-Shirt

    Zion

    Active T-Shirt
    Size Small youth
    $7.99 $6.39 20% off with code SHINE
    50% off estimated retail
    Augusta Active T-Shirt (view 2)Augusta Active T-Shirt (view 1)Price Drop
    View Product: Augusta Active T-Shirt

    Augusta

    Active T-Shirt
    Size Large youth
    $7.99 $6.39 20% off with code SHINE
    50% off estimated retail
    Old Navy Active T-Shirt (view 2)Old Navy Active T-Shirt (view 1)Price Drop
    View Product: Old Navy Active T-Shirt

    Old Navy

    Active T-Shirt
    Size X-Large youth
    $7.99 $6.39 20% off with code SHINE
    33% off estimated retail
    Old Navy Active T-Shirt (view 2)Old Navy Active T-Shirt (view 1)Price Drop
    View Product: Old Navy Active T-Shirt

    Old Navy

    Active T-Shirt
    Size Medium youth
    $7.99 $6.39 20% off with code SHINE
    33% off estimated retail
    Nike Active Tank (view 2)Nike Active Tank (view 1)Price Drop
    View Product: Nike Active Tank

    Nike

    Active Tank
    Size X-Small kids
    $7.99 $6.39 20% off with code SHINE
    76% off estimated retail
    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 0-3 mo
    $7.99 $6.39 20% off with code SHINE
    70% off estimated retail
    FLOW SOCIETY Active T-Shirt (view 2)FLOW SOCIETY Active T-Shirt (view 1)New With Tags
    View Product: FLOW SOCIETY Active T-Shirt

    FLOW SOCIETY

    Active T-Shirt
    Size X-Small youth
    $8.99
    62% 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 6 mo
    $8.99
    66% off estimated retail
    Adidas Active T-Shirt (view 2)Adidas Active T-Shirt (view 1)New With Tags
    View Product: Adidas Active T-Shirt

    Adidas

    Active T-Shirt
    Size 4
    $8.99
    64% off estimated retail
    Old Navy Active T-Shirt (view 2)Old Navy Active T-Shirt (view 1)
    View Product: Old Navy Active T-Shirt

    Old Navy

    Active T-Shirt
    Size 7
    $8.99
    25% 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 18 mo
    $8.99 $7.19 20% off with code SHINE
    66% off estimated retail
    Gap Kids Active T-Shirt (view 2)Gap Kids Active T-Shirt (view 1)
    View Product: Gap Kids Active T-Shirt

    Gap Kids

    Active T-Shirt
    Size 10
    $8.99
    57% off estimated retail
    Nike Active T-Shirt (view 2)Nike Active T-Shirt (view 1)Flawed Gem
    View Product: Nike Active T-Shirt

    Nike

    Active T-Shirt
    Size Large youth
    $8.99
    65% off estimated retail
    Gildan Active T-Shirt (view 2)Gildan Active T-Shirt (view 1)
    View Product: Gildan Active T-Shirt

    Gildan

    Active T-Shirt
    Size Small kids
    $8.99
    35% off estimated retail
    Layer 8 Active T-Shirt (view 2)Layer 8 Active T-Shirt (view 1)
    View Product: Layer 8 Active T-Shirt

    Layer 8

    Active T-Shirt
    Size Large kids
    $8.99
    64% off estimated retail
    Puma Active T-Shirt (view 2)Puma Active T-Shirt (view 1)
    View Product: Puma Active T-Shirt

    Puma

    Active T-Shirt
    Size 3-6 mo
    $8.99
    59% 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 18 mo
    $8.99
    66% 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 12 mo
    $8.99
    66% off estimated retail
    USS Midway Active T-Shirt (view 2)USS Midway Active T-Shirt (view 1)
    View Product: USS Midway Active T-Shirt

    USS Midway

    Active T-Shirt
    Size X-Small kids
    $8.99 $7.19 20% off with code SHINE
    55% 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 Small infants
    $8.99 $7.19 20% off with code SHINE
    66% 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 Large infants
    $8.99 $7.19 20% off with code SHINE
    66% off estimated retail
    Nike Active T-Shirt (view 2)Nike Active T-Shirt (view 1)Flawed Gem
    View Product: Nike Active T-Shirt

    Nike

    Active T-Shirt
    Size Small kids
    $8.99 $7.19 20% off with code SHINE
    65% off estimated retail
    Nike Active T-Shirt (view 2)Nike Active T-Shirt (view 1)Flawed Gem
    View Product: Nike Active T-Shirt

    Nike

    Active T-Shirt
    Size Large kids
    $8.99 $7.19 20% off with code SHINE
    65% 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 18 mo
    $8.99 $7.19 20% off with code SHINE
    66% 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 Small infants
    $8.99 $7.19 20% off with code SHINE
    66% off estimated retail
    Bcg Active T-Shirt (view 2)Bcg Active T-Shirt (view 1)
    View Product: Bcg Active T-Shirt

    Bcg

    Active T-Shirt
    Size Small youth
    $8.99 $7.19 20% off with code SHINE
    43% off estimated retail
    DSG Active T-Shirt (view 2)DSG Active T-Shirt (view 1)
    View Product: DSG Active T-Shirt

    DSG

    Active T-Shirt
    Size X-Small kids
    $8.99 $7.19 20% off with code SHINE
    66% off estimated retail
    Mizuno Active T-Shirt (view 2)Mizuno Active T-Shirt (view 1)
    View Product: Mizuno Active T-Shirt

    Mizuno

    Active T-Shirt
    Size Medium youth
    $8.99 $7.19 20% off with code SHINE
    43% off estimated retail
    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 Small infants
    $8.99 $7.19 20% off with code SHINE
    66% off estimated retail
    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 24 mo
    $8.99 $7.19 20% off with code SHINE
    59% off estimated retail
    Umbro Active T-Shirt (view 2)Umbro Active T-Shirt (view 1)Price Drop
    View Product: Umbro Active T-Shirt

    Umbro

    Active T-Shirt
    Size Medium infants
    $8.99 $7.19 20% off with code SHINE
    18% off estimated retail
    Ecoland Active T-Shirt (view 2)Ecoland Active T-Shirt (view 1)
    View Product: Ecoland Active T-Shirt

    Ecoland

    Active T-Shirt
    Size Small infants
    $8.99 $7.19 20% off with code SHINE
    18% off estimated retail
    Sloggers Active T-Shirt (view 2)Sloggers Active T-Shirt (view 1)Price Drop
    View Product: Sloggers Active T-Shirt

    Sloggers

    Active T-Shirt
    Size Small youth
    $8.99 $7.19 20% off with code SHINE
    64% off estimated retail
    Cheetah Active Tank (view 2)Cheetah Active Tank (view 1)Price Drop
    View Product: Cheetah Active Tank

    Cheetah

    Active Tank
    Size Small youth
    $8.99 $7.19 20% off with code SHINE
    43% off estimated retail
    Reebok Active T-Shirt (view 2)Reebok Active T-Shirt (view 1)Price Drop
    View Product: Reebok Active T-Shirt

    Reebok

    Active T-Shirt
    Size Small youth
    $8.99 $7.19 20% off with code SHINE
    78% off estimated retail
    Starter Active T-Shirt (view 2)Starter Active T-Shirt (view 1)Price Drop
    View Product: Starter Active T-Shirt

    Starter

    Active T-Shirt
    Size X-Large kids
    $8.99 $7.19 20% off with code SHINE
    43% off estimated retail
    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 Large kids
    $8.99 $7.19 20% off with code SHINE
    72% off estimated retail
    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
    $8.99 $7.19 20% off with code SHINE
    78% off estimated retail

    Loading...