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Shop Boy’s Sweaters at up to 90% off estimated retail! thredUP has a huge selection of gently used Boy’s Sweaters from brands like Gymboree, Baby Gap or Polo by Ralph Lauren at thredUP.

PolyesterRemove filter20Remove filter0-3 moRemove filter
34 items
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    PatPat Pullover Sweater (view 2)PatPat Pullover Sweater (view 1)
    View Product: PatPat Pullover Sweater

    PatPat

    Pullover Sweater
    Size 0-3 mo
    $14.99 $8.24 45% off with code GOBIG
    48% 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 0-3 mo
    $11.99 $6.59 45% off with code GOBIG
    62% off estimated retail
    Columbia Pullover Hoodie (view 2)Columbia Pullover Hoodie (view 1)
    View Product: Columbia Pullover Hoodie

    Columbia

    Pullover Hoodie
    Size 0-3 mo
    $13.99 $7.69 45% off with code GOBIG
    51% off estimated retail
    Star Wars Sweatshirt (view 2)Star Wars Sweatshirt (view 1)
    View Product: Star Wars Sweatshirt

    Star Wars

    Sweatshirt
    Size 0-3 mo
    $8.99 $4.94 45% off with code GOBIG
    40% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Columbia Cardigan (view 2)Columbia Cardigan (view 1)
    View Product: Columbia Cardigan

    Columbia

    Cardigan
    Size 0-3 mo
    $26.99 $14.84 45% off with code GOBIG
    25% off estimated retail
    Baby Fresh Cardigan (view 2)Baby Fresh Cardigan (view 1)
    View Product: Baby Fresh Cardigan

    Baby Fresh

    Cardigan
    Size 0-3 mo
    $7.99 $4.39 45% off with code GOBIG
    55% off estimated retail
    The Rolling Stones Sweatshirt (view 2)The Rolling Stones Sweatshirt (view 1)
    View Product: The Rolling Stones Sweatshirt

    The Rolling Stones

    Sweatshirt
    Size 0-3 mo
    $9.99 $5.49 45% off with code GOBIG
    33% off estimated retail
    Kissy Kissy Cardigan (view 2)Kissy Kissy Cardigan (view 1)
    View Product: Kissy Kissy Cardigan

    Kissy Kissy

    Cardigan
    Size 0-3 mo
    $15.99 $8.79 45% off with code GOBIG
    64% off estimated retail
    Maison Me Cardigan (view 2)Maison Me Cardigan (view 1)
    View Product: Maison Me Cardigan

    Maison Me

    Cardigan
    Size 0-3 mo
    $13.99 $7.69 45% off with code GOBIG
    74% off estimated retail
    Star Wars Pullover Sweater (view 2)Star Wars Pullover Sweater (view 1)
    View Product: Star Wars Pullover Sweater

    Star Wars

    Pullover Sweater
    Size 0-3 mo
    $12.99 $7.14 45% off with code GOBIG
    27% off estimated retail
    Athletic Works Zip Up Hoodie (view 2)Athletic Works Zip Up Hoodie (view 1)New With Tags
    View Product: Athletic Works Zip Up Hoodie

    Athletic Works

    Zip Up Hoodie
    Size 0-3 mo
    $7.99 $4.39 45% off with code GOBIG
    46% off estimated retail
    Nirvana Sweatshirt (view 2)Nirvana Sweatshirt (view 1)
    View Product: Nirvana Sweatshirt

    Nirvana

    Sweatshirt
    Size 0-3 mo
    $10.99 $6.04 45% off with code GOBIG
    62% off estimated retail
    Rene Rofe Sweatshirt (view 2)Rene Rofe Sweatshirt (view 1)Price Drop
    View Product: Rene Rofe Sweatshirt

    Rene Rofe

    Sweatshirt
    Size 0-3 mo
    $10.99 $6.04 45% off with code GOBIG
    26% 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 0-3 mo
    $8.99 $4.94 45% off with code GOBIG
    50% off estimated retail
    Mon Cheri Baby Zip Up Hoodie (view 2)Mon Cheri Baby Zip Up Hoodie (view 1)
    View Product: Mon Cheri Baby Zip Up Hoodie

    Mon Cheri Baby

    Zip Up Hoodie
    Size 0-3 mo
    $10.99 $6.04 45% off with code GOBIG
    62% off estimated retail
    Hanna Andersson Pullover Hoodie (view 2)Hanna Andersson Pullover Hoodie (view 1)
    View Product: Hanna Andersson Pullover Hoodie

    Hanna Andersson

    Pullover Hoodie
    Size 20
    $20.99 $11.54 45% off with code GOBIG
    48% off estimated retail
    Assorted Brands Pullover Hoodie (view 2)Assorted Brands Pullover Hoodie (view 1)Price Drop
    View Product: Assorted Brands Pullover Hoodie

    Assorted Brands

    Pullover Hoodie
    Size 0-3 mo
    $9.99 $5.49 45% off with code GOBIG
    65% off estimated retail
    Assorted Brands Cardigan (view 2)Assorted Brands Cardigan (view 1)Price Drop
    View Product: Assorted Brands Cardigan

    Assorted Brands

    Cardigan
    Size 0-3 mo
    $10.99 $6.04 45% off with code GOBIG
    69% 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 0-3 mo
    $9.99 $5.49 45% off with code GOBIG
    44% off estimated retail
    Calvin Klein Cardigan (view 2)Calvin Klein Cardigan (view 1)Price Drop
    View Product: Calvin Klein Cardigan

    Calvin Klein

    Cardigan
    Size 0-3 mo
    $7.99 $4.39 45% off with code GOBIG
    69% off estimated retail
    Old Navy Cardigan (view 2)Old Navy Cardigan (view 1)Price Drop
    View Product: Old Navy Cardigan

    Old Navy

    Cardigan
    Size 0-3 mo
    $9.99 $5.49 45% off with code GOBIG
    52% off estimated retail
    Marvel Pullover Hoodie (view 2)Marvel Pullover Hoodie (view 1)Price Drop
    View Product: Marvel Pullover Hoodie

    Marvel

    Pullover Hoodie
    Size 0-3 mo
    $8.99 $4.94 45% off with code GOBIG
    69% off estimated retail
    Puma Zip Up Hoodie (view 2)Puma Zip Up Hoodie (view 1)Price Drop
    View Product: Puma Zip Up Hoodie

    Puma

    Zip Up Hoodie
    Size 0-3 mo
    $7.99 $4.39 45% off with code GOBIG
    72% off estimated retail
    M&S Sweatshirt (view 2)M&S Sweatshirt (view 1)Price Drop
    View Product: M&S Sweatshirt

    M&S

    Sweatshirt
    Size 0-3 mo
    $9.99 $5.49 45% off with code GOBIG
    65% off estimated retail
    Brooklyn Cloth Pullover Hoodie (view 2)Brooklyn Cloth Pullover Hoodie (view 1)Price Drop
    View Product: Brooklyn Cloth Pullover Hoodie

    Brooklyn Cloth

    Pullover Hoodie
    Size 0-3 mo
    $10.99 $6.04 45% off with code GOBIG
    38% off estimated retail
    Old Navy Sweatshirt (view 2)Old Navy Sweatshirt (view 1)Price Drop
    View Product: Old Navy Sweatshirt

    Old Navy

    Sweatshirt
    Size 0-3 mo
    $9.99 $5.49 45% off with code GOBIG
    52% off estimated retail
    Unbranded Pullover Hoodie (view 2)Unbranded Pullover Hoodie (view 1)Price Drop
    View Product: Unbranded Pullover Hoodie

    Unbranded

    Pullover Hoodie
    Size 0-3 mo
    $8.99 $4.94 45% off with code GOBIG
    69% off estimated retail
    Mini Muffin Cardigan (view 2)Mini Muffin Cardigan (view 1)Price Drop
    View Product: Mini Muffin Cardigan

    Mini Muffin

    Cardigan
    Size 0-3 mo
    $8.99 $4.94 45% off with code GOBIG
    47% off estimated retail
    Assorted Brands Pullover Hoodie (view 2)Assorted Brands Pullover Hoodie (view 1)Price Drop
    View Product: Assorted Brands Pullover Hoodie

    Assorted Brands

    Pullover Hoodie
    Size 0-3 mo
    $8.99 $4.94 45% off with code GOBIG
    69% off estimated retail
    Cabela's Sweater Vest (view 2)Cabela's Sweater Vest (view 1)Price Drop
    View Product: Cabela's Sweater Vest

    Cabela's

    Sweater Vest
    Size 0-3 mo
    $9.99 $5.49 45% off with code GOBIG
    65% off estimated retail
    Peek... Zip Up Hoodie (view 2)Peek... Zip Up Hoodie (view 1)Price Drop
    View Product: Peek... Zip Up Hoodie

    Peek...

    Zip Up Hoodie
    Size 0-3 mo
    $8.99 $4.94 45% off with code GOBIG
    79% off estimated retail
    Small Wonders Sweatshirt (view 2)Small Wonders Sweatshirt (view 1)Price Drop
    View Product: Small Wonders Sweatshirt

    Small Wonders

    Sweatshirt
    Size 0-3 mo
    $7.99 $4.39 45% off with code GOBIG
    46% off estimated retail
    Fisher Price Cardigan (view 2)Fisher Price Cardigan (view 1)Price Drop
    View Product: Fisher Price Cardigan

    Fisher Price

    Cardigan
    Size 0-3 mo
    $6.99 $3.84 45% off with code GOBIG
    58% off estimated retail
    Wonder Nation Sweatshirt (view 2)Wonder Nation Sweatshirt (view 1)Price Drop
    View Product: Wonder Nation Sweatshirt

    Wonder Nation

    Sweatshirt
    Size 0-3 mo
    $7.99 $4.39 45% off with code GOBIG
    42% off estimated retail
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