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Cater to your boys' busy lifestyles with affordable activewear from thredUP. Enjoy steep savings with prices up to 90% off estimated retail when you shop our extensive collection of hoodies, tops, shorts, and pants.

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47 items
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    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 Medium youth
    $19.99 $13.99 30% off with code THANKU
    51% off estimated retail
    Columbia Active Pants (view 2)Columbia Active Pants (view 1)
    View Product: Columbia Active Pants

    Columbia

    Active Pants
    Size X-Small kids
    $10.99 $8.79 20% off with code THANKU
    38% off estimated retail
    Quiksilver Active T-Shirt (view 2)Quiksilver Active T-Shirt (view 1)
    View Product: Quiksilver Active T-Shirt

    Quiksilver

    Active T-Shirt
    Size 7
    $11.99 $9.59 20% off with code THANKU
    63% off estimated retail
    OshKosh B'gosh Zip Up Hoodie (view 2)OshKosh B'gosh Zip Up Hoodie (view 1)
    View Product: OshKosh B'gosh Zip Up Hoodie

    OshKosh B'gosh

    Zip Up Hoodie
    Size 6
    $15.99 $12.79 20% off with code THANKU
    63% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Assorted Brands Track Jacket (view 2)Assorted Brands Track Jacket (view 1)
    View Product: Assorted Brands Track Jacket

    Assorted Brands

    Track Jacket
    Size 13
    $11.99 $9.59 20% off with code THANKU
    63% off estimated retail
    Columbia Snow Pants With Bib (view 2)Columbia Snow Pants With Bib (view 1)
    View Product: Columbia Snow Pants With Bib

    Columbia

    Snow Pants With Bib
    Size X-Small kids
    $26.99 $18.89 30% off with code THANKU
    50% off estimated retail
    Columbia Snow Pants (view 2)Columbia Snow Pants (view 1)
    View Product: Columbia Snow Pants

    Columbia

    Snow Pants
    Size X-Small kids
    $23.99 $16.79 30% off with code THANKU
    56% 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 Large youth
    $20.99 $14.69 30% off with code THANKU
    48% off estimated retail
    L.L.Bean Zip Up Hoodie (view 2)L.L.Bean Zip Up Hoodie (view 1)
    View Product: L.L.Bean Zip Up Hoodie

    L.L.Bean

    Zip Up Hoodie
    Size 7
    $19.99 $13.99 30% off with code THANKU
    54% off estimated retail
    Body Glove Snow Pants (view 2)Body Glove Snow Pants (view 1)
    View Product: Body Glove Snow Pants

    Body Glove

    Snow Pants
    Size 8
    $28.99 $20.29 30% off with code THANKU
    64% off estimated retail
    Disney Store Track Pants (view 2)Disney Store Track Pants (view 1)
    View Product: Disney Store Track Pants

    Disney Store

    Track Pants
    Size 2
    $10.99 $8.79 20% off with code THANKU
    21% off estimated retail
    Gap Kids Zip Up Hoodie (view 2)Gap Kids Zip Up Hoodie (view 1)
    View Product: Gap Kids Zip Up Hoodie

    Gap Kids

    Zip Up Hoodie
    Size 6
    $17.99 $14.39 20% off with code THANKU
    58% off estimated retail
    The North Face Snow Pants (view 2)The North Face Snow Pants (view 1)
    View Product: The North Face Snow Pants

    The North Face

    Snow Pants
    Size X-Small kids
    $45.99 $36.79 20% off with code THANKU
    57% off estimated retail
    Turbine Snow Pants (view 2)Turbine Snow Pants (view 1)
    View Product: Turbine Snow Pants

    Turbine

    Snow Pants
    Size X-Small kids
    $24.99 $17.49 30% off with code THANKU
    63% off estimated retail
    Columbia Snow Pants (view 2)Columbia Snow Pants (view 1)
    View Product: Columbia Snow Pants

    Columbia

    Snow Pants
    Size 4
    $26.99 $18.89 30% off with code THANKU
    50% 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 X-Large youth
    $19.99 $13.99 30% off with code THANKU
    51% off estimated retail
    Janie and Jack Zip Up Hoodie (view 2)Janie and Jack Zip Up Hoodie (view 1)
    View Product: Janie and Jack Zip Up Hoodie

    Janie and Jack

    Zip Up Hoodie
    Size 6-12 mo
    $5.99 $4.79 20% off with code THANKU
    83% off estimated retail
    Columbia Snow Pants With Bib (view 2)Columbia Snow Pants With Bib (view 1)
    View Product: Columbia Snow Pants With Bib

    Columbia

    Snow Pants With Bib
    Size X-Small youth
    $25.99 $18.19 30% off with code THANKU
    60% off estimated retail
    Pagelaurenbaby baby Sweatpants (view 2)Pagelaurenbaby baby Sweatpants (view 1)
    View Product: Pagelaurenbaby baby Sweatpants

    Pagelaurenbaby baby

    Sweatpants
    Size 6-9 mo
    $9.99 $7.99 20% off with code THANKU
    $11
    Zella Active T-Shirt (view 2)Zella Active T-Shirt (view 1)
    View Product: Zella Active T-Shirt

    Zella

    Active T-Shirt
    Size 18
    $7.99 $6.39 20% off with code THANKU
    68% off estimated retail
    Under Armour Athletic Shorts (view 2)Under Armour Athletic Shorts (view 1)
    View Product: Under Armour Athletic Shorts

    Under Armour

    Athletic Shorts
    Size X-Small youth
    $12.99 $9.09 30% off with code THANKU
    51% off estimated retail
    Zara Pullover Hoodie (view 2)Zara Pullover Hoodie (view 1)Flawed Gem
    View Product: Zara Pullover Hoodie

    Zara

    Pullover Hoodie
    Size Large youth
    $13.99 $9.79 30% off with code THANKU
    61% off estimated retail
    Russell Athletic Active T-Shirt (view 2)Russell Athletic Active T-Shirt (view 1)
    View Product: Russell Athletic Active T-Shirt

    Russell Athletic

    Active T-Shirt
    Size 14
    $7.99 $6.39 20% off with code THANKU
    50% off estimated retail
    lucy Active Tank (view 2)lucy Active Tank (view 1)
    View Product: lucy Active Tank

    lucy

    Active Tank
    Size X-Small kids
    $9.99 $7.99 20% off with code THANKU
    50% off estimated retail
    Gap Kids Snow Pants (view 2)Gap Kids Snow Pants (view 1)
    View Product: Gap Kids Snow Pants

    Gap Kids

    Snow Pants
    Size Small infants
    $8.99 $7.19 20% off with code THANKU
    79% 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 12 mo
    $11.99 $8.39 30% off with code THANKU
    45% off estimated retail
    Baby Gap One Piece Snowsuit (view 2)Baby Gap One Piece Snowsuit (view 1)
    View Product: Baby Gap One Piece Snowsuit

    Baby Gap

    One Piece Snowsuit
    Size 0-3 mo
    $33.99 $27.19 20% off with code THANKU
    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 Small youth
    $17.99 $12.59 30% off with code THANKU
    56% 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 8
    $13.99 $11.19 20% off with code THANKU
    65% off estimated retail
    Lands' End Track Jacket (view 2)Lands' End Track Jacket (view 1)Price Drop
    View Product: Lands' End Track Jacket

    Lands' End

    Track Jacket
    Size X-Small kids
    $8.99 $7.19 20% off with code THANKU
    66% off estimated retail
    Asics Athletic Shorts (view 2)Asics Athletic Shorts (view 1)
    View Product: Asics Athletic Shorts

    Asics

    Athletic Shorts
    Size Small infants
    $7.99 $6.39 20% off with code THANKU
    63% off estimated retail
    2nd Step Track Pants (view 2)2nd Step Track Pants (view 1)
    View Product: 2nd Step Track Pants

    2nd Step

    Track Pants
    Size 12-18 mo
    $7.99 $6.39 20% off with code THANKU
    27% off estimated retail
    Gymboree Snow Pants (view 2)Gymboree Snow Pants (view 1)Price Drop
    View Product: Gymboree Snow Pants

    Gymboree

    Snow Pants
    Size 0-3 mo
    $9.99 $7.99 20% off with code THANKU
    84% 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 6-12 mo
    $8.99 $7.19 20% off with code THANKU
    71% off estimated retail
    Winning Goal Athletic Shorts (view 2)Winning Goal Athletic Shorts (view 1)Price Drop
    View Product: Winning Goal Athletic Shorts

    Winning Goal

    Athletic Shorts
    Size Small youth
    $7.99 $6.39 20% off with code THANKU
    50% off estimated retail
    Holloway Track Jacket (view 2)Holloway Track Jacket (view 1)Price Drop
    View Product: Holloway Track Jacket

    Holloway

    Track Jacket
    Size Small youth
    $10.99 $8.79 20% off with code THANKU
    31% off estimated retail
    The Children's Place Track Pants (view 2)The Children's Place Track Pants (view 1)Price Drop
    View Product: The Children's Place Track Pants

    The Children's Place

    Track Pants
    Size 12 mo
    $7.99 $6.39 20% off with code THANKU
    50% off estimated retail
    Rugged Bear Active T-Shirt (view 2)Rugged Bear Active T-Shirt (view 1)Price Drop
    View Product: Rugged Bear Active T-Shirt

    Rugged Bear

    Active T-Shirt
    Size 3-6 mo
    $9.99 $7.99 20% off with code THANKU
    69% 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 THANKU
    70% off estimated retail
    J.Crew Athletic Shorts (view 2)J.Crew Athletic Shorts (view 1)Price Drop
    View Product: J.Crew Athletic Shorts

    J.Crew

    Athletic Shorts
    Size 6-12 mo
    $9.99 $7.99 20% off with code THANKU
    54% off estimated retail
    Polar Edge One Piece Snowsuit (view 2)Polar Edge One Piece Snowsuit (view 1)Price Drop
    View Product: Polar Edge One Piece Snowsuit

    Polar Edge

    One Piece Snowsuit
    Size 5
    $5.99 $4.79 20% off with code THANKU
    84% off estimated retail
    Baby Gap Track Jacket (view 2)Baby Gap Track Jacket (view 1)Price Drop
    View Product: Baby Gap Track Jacket

    Baby Gap

    Track Jacket
    Size 6-12 mo
    $7.99 $6.39 20% off with code THANKU
    73% off estimated retail
    The Children's Place Outlet Track Pants (view 2)The Children's Place Outlet Track Pants (view 1)Price Drop
    View Product: The Children's Place Outlet Track Pants

    The Children's Place Outlet

    Track Pants
    Size 12 mo
    $7.99 $6.39 20% off with code THANKU
    20% off estimated retail
    The Children's Place Active Pants (view 2)The Children's Place Active Pants (view 1)Price Drop
    View Product: The Children's Place Active Pants

    The Children's Place

    Active Pants
    Size 6-9 mo
    $7.99 $6.39 20% off with code THANKU
    60% off estimated retail
    Unbranded Track Pants (view 2)Unbranded Track Pants (view 1)Price Drop
    View Product: Unbranded Track Pants

    Unbranded

    Track Pants
    Size 12 mo
    $7.99 $6.39 20% off with code THANKU
    60% off estimated retail
    Arizona Jean Company Track Pants (view 2)Arizona Jean Company Track Pants (view 1)Price Drop
    View Product: Arizona Jean Company Track Pants

    Arizona Jean Company

    Track Pants
    Size 18 mo
    $7.99 $6.39 20% off with code THANKU
    20% off estimated retail
    The Children's Place Active Pants (view 2)The Children's Place Active Pants (view 1)Price Drop
    View Product: The Children's Place Active Pants

    The Children's Place

    Active Pants
    Size 12 mo
    $6.99 $5.59 20% off with code THANKU
    65% off estimated retail
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