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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.

0-3 moRemove filter
81 items
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    Janie and Jack Cardigan (view 2)Janie and Jack Cardigan (view 1)
    View Product: Janie and Jack Cardigan

    Janie and Jack

    Cardigan
    Size 0-3 mo
    $14.99
    66% off estimated retail
    Janie and Jack Pullover Sweater (view 2)Janie and Jack Pullover Sweater (view 1)
    View Product: Janie and Jack Pullover Sweater

    Janie and Jack

    Pullover Sweater
    Size 0-3 mo
    $17.99
    65% off estimated retail
    Little Bipsy Collection Cardigan (view 2)Little Bipsy Collection Cardigan (view 1)
    View Product: Little Bipsy Collection Cardigan

    Little Bipsy Collection

    Cardigan
    Size 0-3 mo
    $11.99
    66% off estimated retail
    Disney Baby Cardigan (view 2)Disney Baby Cardigan (view 1)
    View Product: Disney Baby Cardigan

    Disney Baby

    Cardigan
    Size 0-3 mo
    $15.99
    27% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    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
    $16.99
    56% off estimated retail
    Baby Gap Cardigan (view 2)Baby Gap Cardigan (view 1)
    View Product: Baby Gap Cardigan

    Baby Gap

    Cardigan
    Size 0-3 mo
    $16.99 $13.59 20% off with code HOTDEAL
    51% off estimated retail
    Baby Gap Cardigan (view 2)Baby Gap Cardigan (view 1)
    View Product: Baby Gap Cardigan

    Baby Gap

    Cardigan
    Size 0-3 mo
    $18.99 $15.19 20% off with code HOTDEAL
    56% off estimated retail
    Janie and Jack Cardigan (view 2)Janie and Jack Cardigan (view 1)
    View Product: Janie and Jack Cardigan

    Janie and Jack

    Cardigan
    Size 0-3 mo
    $21.99 $17.59 20% off with code HOTDEAL
    60% off estimated retail
    Little Lad Cardigan (view 2)Little Lad Cardigan (view 1)
    View Product: Little Lad Cardigan

    Little Lad

    Cardigan
    Size 0-3 mo
    $15.99 $11.99 25% off with code HOTDEAL
    71% off estimated retail
    Banana Republic Cardigan (view 2)Banana Republic Cardigan (view 1)
    View Product: Banana Republic Cardigan

    Banana Republic

    Cardigan
    Size 0-3 mo
    $27.99 $20.99 25% off with code HOTDEAL
    68% off estimated retail
    Cat & Jack Sweater Vest (view 2)Cat & Jack Sweater Vest (view 1)
    View Product: Cat & Jack Sweater Vest

    Cat & Jack

    Sweater Vest
    Size 0-3 mo
    $7.99 $6.39 20% off with code HOTDEAL
    46% off estimated retail
    Columbia Zip Up Hoodie (view 2)Columbia Zip Up Hoodie (view 1)
    View Product: Columbia Zip Up Hoodie

    Columbia

    Zip Up Hoodie
    Size 0-3 mo
    $9.99 $7.99 20% off with code HOTDEAL
    65% 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
    $18.99 $15.19 20% off with code HOTDEAL
    64% off estimated retail
    Bambini Cardigan (view 2)Bambini Cardigan (view 1)
    View Product: Bambini Cardigan

    Bambini

    Cardigan
    Size 0-3 mo
    $10.99 $8.79 20% off with code HOTDEAL
    44% 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
    $16.99 $12.74 25% off with code HOTDEAL
    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
    $15.99 $11.99 25% off with code HOTDEAL
    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
    $8.99 $7.19 20% off with code HOTDEAL
    46% off estimated retail
    Janie and Jack Sweater Vest (view 2)Janie and Jack Sweater Vest (view 1)
    View Product: Janie and Jack Sweater Vest

    Janie and Jack

    Sweater Vest
    Size 0-3 mo
    $13.99 $11.19 20% off with code HOTDEAL
    71% off estimated retail
    The Children's Place Sweater Vest (view 2)The Children's Place Sweater Vest (view 1)
    View Product: The Children's Place Sweater Vest

    The Children's Place

    Sweater Vest
    Size 0-3 mo
    $13.99 $11.19 20% off with code HOTDEAL
    42% off estimated retail
    The Beaufort Bonnet Company Pullover Sweater (view 2)The Beaufort Bonnet Company Pullover Sweater (view 1)
    View Product: The Beaufort Bonnet Company Pullover Sweater

    The Beaufort Bonnet Company

    Pullover Sweater
    Size 0-3 mo
    $32.99 $23.09 30% off with code HOTDEAL
    70% off estimated retail
    Cat & Jack Sweater Vest (view 2)Cat & Jack Sweater Vest (view 1)
    View Product: Cat & Jack Sweater Vest

    Cat & Jack

    Sweater Vest
    Size 0-3 mo
    $11.99 $9.59 20% off with code HOTDEAL
    23% 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
    $13.99 $11.19 20% off with code HOTDEAL
    62% off estimated retail
    Minnie Minors Sweatshirt (view 2)Minnie Minors Sweatshirt (view 1)
    View Product: Minnie Minors Sweatshirt

    Minnie Minors

    Sweatshirt
    Size 0-3 mo
    $14.99 $9.74 35% off with code HOTDEAL
    63% off estimated retail
    Nirvana Sweatshirt (view 2)Nirvana Sweatshirt (view 1)
    View Product: Nirvana Sweatshirt

    Nirvana

    Sweatshirt
    Size 0-3 mo
    $12.99 $10.39 20% off with code HOTDEAL
    62% off estimated retail
    Rabbit Moon Cardigan (view 2)Rabbit Moon Cardigan (view 1)
    View Product: Rabbit Moon Cardigan

    Rabbit Moon

    Cardigan
    Size 0-3 mo
    $15.99 $10.39 35% off with code HOTDEAL
    61% off estimated retail
    Rene Rofe Sweatshirt (view 2)Rene Rofe Sweatshirt (view 1)
    View Product: Rene Rofe Sweatshirt

    Rene Rofe

    Sweatshirt
    Size 0-3 mo
    $12.99 $10.39 20% off with code HOTDEAL
    26% off estimated retail
    Gap x Disney Pullover Hoodie (view 2)Gap x Disney Pullover Hoodie (view 1)
    View Product: Gap x Disney Pullover Hoodie

    Gap x Disney

    Pullover Hoodie
    Size 0-3 mo
    $22.99 $13.79 40% off with code HOTDEAL
    56% off estimated retail
    Baby Gap Pullover Sweater (view 2)Baby Gap Pullover Sweater (view 1)
    View Product: Baby Gap Pullover Sweater

    Baby Gap

    Pullover Sweater
    Size 0-3 mo
    $18.99 $13.29 30% off with code HOTDEAL
    56% 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
    $10.99 $8.79 20% off with code HOTDEAL
    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
    $11.99 $8.39 30% off with code HOTDEAL
    62% off estimated retail
    Old Navy Cardigan (view 2)Old Navy Cardigan (view 1)
    View Product: Old Navy Cardigan

    Old Navy

    Cardigan
    Size 0-3 mo
    $13.99 $9.09 35% off with code HOTDEAL
    42% off estimated retail
    Rabbit Bear Pullover Hoodie (view 2)Rabbit Bear Pullover Hoodie (view 1)Price Drop
    View Product: Rabbit Bear Pullover Hoodie

    Rabbit Bear

    Pullover Hoodie
    Size 0-3 mo
    $10.99 $6.59 40% off with code HOTDEAL
    40% 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
    $13.99 $7.69 45% off with code HOTDEAL
    62% off estimated retail
    Baby Gap Cardigan (view 2)Baby Gap Cardigan (view 1)Price Drop
    View Product: Baby Gap Cardigan

    Baby Gap

    Cardigan
    Size 0-3 mo
    $15.99 $8.00 50% off with code HOTDEAL
    55% 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
    $13.99 $7.69 45% off with code HOTDEAL
    66% 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 0-3 mo
    $14.99 $8.99 40% off with code HOTDEAL
    62% off estimated retail
    Baby Gap Cardigan (view 2)Baby Gap Cardigan (view 1)Price Drop
    View Product: Baby Gap Cardigan

    Baby Gap

    Cardigan
    Size 0-3 mo
    $16.99 $8.50 50% off with code HOTDEAL
    55% 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
    $11.99 $7.19 40% off with code HOTDEAL
    44% off estimated retail
    Gymboree Cardigan (view 2)Gymboree Cardigan (view 1)Price Drop
    View Product: Gymboree Cardigan

    Gymboree

    Cardigan
    Size 0-3 mo
    $12.99 $7.79 40% off with code HOTDEAL
    68% off estimated retail
    Assorted Brands Zip Up Hoodie (view 2)Assorted Brands Zip Up Hoodie (view 1)Price Drop
    View Product: Assorted Brands Zip Up Hoodie

    Assorted Brands

    Zip Up Hoodie
    Size 0-3 mo
    $10.99 $6.59 40% off with code HOTDEAL
    69% 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
    $8.99 $5.39 40% off with code HOTDEAL
    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
    $13.99 $8.39 40% off with code HOTDEAL
    42% 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
    $11.24 $5.62 50% off with code HOTDEAL
    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
    $10.24 $6.14 40% off with code HOTDEAL
    72% 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
    $9.24 $5.54 40% off with code HOTDEAL
    70% 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
    $11.99 $6.59 45% off with code HOTDEAL
    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
    $12.99 $7.79 40% off with code HOTDEAL
    72% off estimated retail
    Giggle Cardigan (view 2)Giggle Cardigan (view 1)Price Drop
    View Product: Giggle Cardigan

    Giggle

    Cardigan
    Size 0-3 mo
    $11.99 $5.40 55% off with code HOTDEAL
    38% off estimated retail
    Gymboree Cardigan (view 2)Gymboree Cardigan (view 1)Price Drop
    View Product: Gymboree Cardigan

    Gymboree

    Cardigan
    Size 0-3 mo
    $13.99 $7.69 45% off with code HOTDEAL
    65% off estimated retail
    Rabbit Bear Sweatshirt (view 2)Rabbit Bear Sweatshirt (view 1)Price Drop
    View Product: Rabbit Bear Sweatshirt

    Rabbit Bear

    Sweatshirt
    Size 0-3 mo
    $11.99 $6.00 50% off with code HOTDEAL
    33% off estimated retail
    Koala Baby Cardigan (view 2)Koala Baby Cardigan (view 1)Price Drop
    View Product: Koala Baby Cardigan

    Koala Baby

    Cardigan
    Size 0-3 mo
    $12.99 $7.79 40% off with code HOTDEAL
    38% 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
    $12.99 $5.85 55% off with code HOTDEAL
    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
    $11.99 $7.19 40% off with code HOTDEAL
    52% off estimated retail
    Gerber Cardigan (view 2)Gerber Cardigan (view 1)Price Drop
    View Product: Gerber Cardigan

    Gerber

    Cardigan
    Size 0-3 mo
    $10.99 $6.59 40% off with code HOTDEAL
    50% off estimated retail
    Just Born Cardigan (view 2)Just Born Cardigan (view 1)Price Drop
    View Product: Just Born Cardigan

    Just Born

    Cardigan
    Size 0-3 mo
    $7.99 $4.79 40% off with code HOTDEAL
    61% 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
    $10.24 $6.14 40% off with code HOTDEAL
    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
    $12.24 $7.34 40% off with code HOTDEAL
    47% off estimated retail
    Grace Cardigan (view 2)Grace Cardigan (view 1)Price Drop
    View Product: Grace Cardigan

    Grace

    Cardigan
    Size 0-3 mo
    $7.99 $4.79 40% off with code HOTDEAL
    80% off estimated retail
    Unbranded Zip Up Hoodie (view 2)Unbranded Zip Up Hoodie (view 1)Price Drop
    View Product: Unbranded Zip Up Hoodie

    Unbranded

    Zip Up Hoodie
    Size 0-3 mo
    $9.24 $5.54 40% off with code HOTDEAL
    72% off estimated retail
    Rabbit Bear Cardigan (view 2)Rabbit Bear Cardigan (view 1)Price Drop
    View Product: Rabbit Bear Cardigan

    Rabbit Bear

    Cardigan
    Size 0-3 mo
    $12.99 $5.85 55% off with code HOTDEAL
    38% off estimated retail
    Gerber Cardigan (view 2)Gerber Cardigan (view 1)Price Drop
    View Product: Gerber Cardigan

    Gerber

    Cardigan
    Size 0-3 mo
    $8.99 $5.39 40% off with code HOTDEAL
    55% off estimated retail
    Gerber Cardigan (view 2)Gerber Cardigan (view 1)Price Drop
    View Product: Gerber Cardigan

    Gerber

    Cardigan
    Size 0-3 mo
    $10.99 $6.59 40% off with code HOTDEAL
    50% 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
    $12.99 $7.14 45% off with code HOTDEAL
    62% off estimated retail
    Unbranded Zip Up Hoodie (view 2)Unbranded Zip Up Hoodie (view 1)Price Drop
    View Product: Unbranded Zip Up Hoodie

    Unbranded

    Zip Up Hoodie
    Size 0-3 mo
    $8.99 $5.39 40% off with code HOTDEAL
    69% off estimated retail
    H&M Cardigan (view 2)H&M Cardigan (view 1)Price Drop
    View Product: H&M Cardigan

    H&M

    Cardigan
    Size 0-3 mo
    $14.24 $8.54 40% off with code HOTDEAL
    63% off estimated retail
    Rabbit Bear Sweatshirt (view 2)Rabbit Bear Sweatshirt (view 1)Price Drop
    View Product: Rabbit Bear Sweatshirt

    Rabbit Bear

    Sweatshirt
    Size 0-3 mo
    $12.24 $6.73 45% off with code HOTDEAL
    40% off estimated retail
    Assorted Brands Zip Up Hoodie (view 2)Assorted Brands Zip Up Hoodie (view 1)Price Drop
    View Product: Assorted Brands Zip Up Hoodie

    Assorted Brands

    Zip Up Hoodie
    Size 0-3 mo
    $10.99 $6.59 40% off with code HOTDEAL
    69% off estimated retail
    Wendy Bellissimo Cardigan (view 2)Wendy Bellissimo Cardigan (view 1)Price Drop
    View Product: Wendy Bellissimo Cardigan

    Wendy Bellissimo

    Cardigan
    Size 0-3 mo
    $12.24 $7.34 40% off with code HOTDEAL
    77% 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
    $11.99 $6.00 50% off with code HOTDEAL
    65% off estimated retail
    DKNY Baby Cardigan (view 2)DKNY Baby Cardigan (view 1)Price Drop
    View Product: DKNY Baby Cardigan

    DKNY Baby

    Cardigan
    Size 0-3 mo
    $8.99 $5.39 40% off with code HOTDEAL
    77% off estimated retail
    DKNY Cardigan (view 2)DKNY Cardigan (view 1)Price Drop
    View Product: DKNY Cardigan

    DKNY

    Cardigan
    Size 0-3 mo
    $8.99 $5.39 40% off with code HOTDEAL
    82% 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
    $11.24 $6.74 40% off with code HOTDEAL
    50% off estimated retail
    Baby Gap Pullover Sweater (view 2)Baby Gap Pullover Sweater (view 1)Price Drop
    View Product: Baby Gap Pullover Sweater

    Baby Gap

    Pullover Sweater
    Size 0-3 mo
    $15.99 $8.79 45% off with code HOTDEAL
    73% off estimated retail
    Carter's Cardigan (view 2)Carter's Cardigan (view 1)Price Drop
    View Product: Carter's Cardigan

    Carter's

    Cardigan
    Size 0-3 mo
    $13.24 $7.94 40% off with code HOTDEAL
    72% off estimated retail
    Swiggles Zip Up Hoodie (view 2)Swiggles Zip Up Hoodie (view 1)Price Drop
    View Product: Swiggles Zip Up Hoodie

    Swiggles

    Zip Up Hoodie
    Size 0-3 mo
    $11.24 $6.74 40% off with code HOTDEAL
    59% 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
    $11.24 $6.18 45% off with code HOTDEAL
    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
    $11.24 $6.74 40% off with code HOTDEAL
    46% off estimated retail
    Polarn O. Pyret Zip Up Hoodie (view 2)Polarn O. Pyret Zip Up Hoodie (view 1)Price Drop
    View Product: Polarn O. Pyret Zip Up Hoodie

    Polarn O. Pyret

    Zip Up Hoodie
    Size 0-3 mo
    $14.24 $8.54 40% off with code HOTDEAL
    76% 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
    $11.24 $6.74 40% off with code HOTDEAL
    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
    $8.24 $4.94 40% off with code HOTDEAL
    42% off estimated retail
    Baby Gro Cardigan (view 2)Baby Gro Cardigan (view 1)Price Drop
    View Product: Baby Gro Cardigan

    Baby Gro

    Cardigan
    Size 0-3 mo
    $7.24 $4.34 40% off with code HOTDEAL
    58% off estimated retail
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