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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.

4,094 items
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    Nautica Sweatshirt (view 2)Nautica Sweatshirt (view 1)Price Drop
    View Product: Nautica Sweatshirt

    Nautica

    Sweatshirt
    Size 10
    $8.99 $4.94 45% off with code GOBIG
    78% 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
    Carter's Cardigan (view 2)Carter's Cardigan (view 1)Price Drop
    View Product: Carter's Cardigan

    Carter's

    Cardigan
    Size Newborn
    $8.99 $4.94 45% off with code GOBIG
    73% off estimated retail
    STX Zip Up Hoodie (view 2)STX Zip Up Hoodie (view 1)Price Drop
    View Product: STX Zip Up Hoodie

    STX

    Zip Up Hoodie
    Size 6-9 mo
    $8.99 $4.94 45% off with code GOBIG
    66% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Lullaby Club Sweater Vest (view 2)Lullaby Club Sweater Vest (view 1)Price Drop
    View Product: Lullaby Club Sweater Vest

    Lullaby Club

    Sweater Vest
    Size 6 mo
    $8.99 $4.94 45% off with code GOBIG
    35% off estimated retail
    Finn + Emma Cardigan (view 2)Finn + Emma Cardigan (view 1)Price Drop
    View Product: Finn + Emma Cardigan

    Finn + Emma

    Cardigan
    Size 3-6 mo
    $6.99 $3.84 45% off with code GOBIG
    83% off estimated retail
    Carter's Zip Up Hoodie (view 2)Carter's Zip Up Hoodie (view 1)Price Drop
    View Product: Carter's Zip Up Hoodie

    Carter's

    Zip Up Hoodie
    Size 6
    $8.99 $4.94 45% off with code GOBIG
    78% off estimated retail
    The Children's Place Pullover Sweater (view 2)The Children's Place Pullover Sweater (view 1)Price Drop
    View Product: The Children's Place Pullover Sweater

    The Children's Place

    Pullover Sweater
    Size 5
    $8.99 $4.94 45% off with code GOBIG
    64% off estimated retail
    Assorted Brands Sweater Vest (view 2)Assorted Brands Sweater Vest (view 1)Price Drop
    View Product: Assorted Brands Sweater Vest

    Assorted Brands

    Sweater Vest
    Size 70 cm
    $7.99 $4.39 45% off with code GOBIG
    70% off estimated retail
    Croissant Zip Up Hoodie (view 2)Croissant Zip Up Hoodie (view 1)Price Drop
    View Product: Croissant Zip Up Hoodie

    Croissant

    Zip Up Hoodie
    Size 6-9 mo
    $7.99 $4.39 45% off with code GOBIG
    42% off estimated retail
    Old Navy Cardigan (view 2)Old Navy Cardigan (view 1)Price Drop
    View Product: Old Navy Cardigan

    Old Navy

    Cardigan
    Size 18-24 mo
    $8.99 $4.94 45% off with code GOBIG
    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 Small tots
    $8.99 $4.94 45% off with code GOBIG
    73% 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 12 mo
    $8.99 $4.94 45% off with code GOBIG
    66% off estimated retail
    Assorted Brands Sweatshirt (view 2)Assorted Brands Sweatshirt (view 1)Price Drop
    View Product: Assorted Brands Sweatshirt

    Assorted Brands

    Sweatshirt
    Size Large kids
    $9.99 $5.49 45% off with code GOBIG
    75% off estimated retail
    Colosseum Athletics Zip Up Hoodie (view 2)Colosseum Athletics Zip Up Hoodie (view 1)Price Drop
    View Product: Colosseum Athletics Zip Up Hoodie

    Colosseum Athletics

    Zip Up Hoodie
    Size 6-12 mo
    $8.99 $4.94 45% off with code GOBIG
    66% off estimated retail
    Tape A Loeil Pullover Hoodie (view 2)Tape A Loeil Pullover Hoodie (view 1)Price Drop
    View Product: Tape A Loeil Pullover Hoodie

    Tape A Loeil

    Pullover Hoodie
    Size 2
    $8.99 $4.94 45% off with code GOBIG
    55% off estimated retail
    Goodbaby Pullover Sweater (view 2)Goodbaby Pullover Sweater (view 1)
    View Product: Goodbaby Pullover Sweater

    Goodbaby

    Pullover Sweater
    Size 80 cm
    $6.99 $3.84 45% off with code GOBIG
    58% off estimated retail
    Gymboree Pullover Sweater (view 2)Gymboree Pullover Sweater (view 1)Price Drop
    View Product: Gymboree Pullover Sweater

    Gymboree

    Pullover Sweater
    Size X-Small kids
    $8.99 $4.94 45% off with code GOBIG
    72% off estimated retail
    Assorted Brands Sweatshirt (view 2)Assorted Brands Sweatshirt (view 1)Price Drop
    View Product: Assorted Brands Sweatshirt

    Assorted Brands

    Sweatshirt
    Size X-Small kids
    $8.99 $4.94 45% off with code GOBIG
    73% off estimated retail
    Fagottino Pullover Hoodie (view 2)Fagottino Pullover Hoodie (view 1)
    View Product: Fagottino Pullover Hoodie

    Fagottino

    Pullover Hoodie
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    55% off estimated retail
    Old Navy Pullover Sweater (view 2)Old Navy Pullover Sweater (view 1)Price Drop
    View Product: Old Navy Pullover Sweater

    Old Navy

    Pullover Sweater
    Size 6-12 mo
    $8.99 $4.94 45% off with code GOBIG
    40% off estimated retail
    Old Navy Pullover Sweater (view 2)Old Navy Pullover Sweater (view 1)Price Drop
    View Product: Old Navy Pullover Sweater

    Old Navy

    Pullover Sweater
    Size 6-12 mo
    $6.99 $3.84 45% off with code GOBIG
    53% off estimated retail
    Genuine Kids from Oshkosh Zip Up Hoodie (view 2)Genuine Kids from Oshkosh Zip Up Hoodie (view 1)Price Drop
    View Product: Genuine Kids from Oshkosh Zip Up Hoodie

    Genuine Kids from Oshkosh

    Zip Up Hoodie
    Size 12 mo
    $6.99 $3.84 45% off with code GOBIG
    61% off estimated retail
    Feel It Cardigan (view 2)Feel It Cardigan (view 1)Price Drop
    View Product: Feel It Cardigan

    Feel It

    Cardigan
    Size 12-18 mo
    $7.99 $4.39 45% off with code GOBIG
    69% off estimated retail
    Cumberland Outfitters Cardigan (view 2)Cumberland Outfitters Cardigan (view 1)Price Drop
    View Product: Cumberland Outfitters Cardigan

    Cumberland Outfitters

    Cardigan
    Size Small infants
    $7.99 $4.39 45% off with code GOBIG
    76% off estimated retail
    Silly Souls Zip Up Hoodie (view 2)Silly Souls Zip Up Hoodie (view 1)
    View Product: Silly Souls Zip Up Hoodie

    Silly Souls

    Zip Up Hoodie
    Size 6-12 mo
    $10.99 $6.04 45% off with code GOBIG
    45% off estimated retail
    Field Gear Cardigan (view 2)Field Gear Cardigan (view 1)Price Drop
    View Product: Field Gear Cardigan

    Field Gear

    Cardigan
    Size 6 mo
    $7.99 $4.39 45% off with code GOBIG
    53% 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 3-6 mo
    $6.99 $3.84 45% off with code GOBIG
    58% off estimated retail
    Just One You Made by Carter's Cardigan (view 2)Just One You Made by Carter's Cardigan (view 1)Price Drop
    View Product: Just One You Made by Carter's Cardigan

    Just One You Made by Carter's

    Cardigan
    Size 3 mo
    $6.99 $3.84 45% off with code GOBIG
    58% off estimated retail
    Carter's Cardigan (view 2)Carter's Cardigan (view 1)Price Drop
    View Product: Carter's Cardigan

    Carter's

    Cardigan
    Size 3 mo
    $6.99 $3.84 45% off with code GOBIG
    79% off estimated retail
    Carter's Zip Up Hoodie (view 2)Carter's Zip Up Hoodie (view 1)Price Drop
    View Product: Carter's Zip Up Hoodie

    Carter's

    Zip Up Hoodie
    Size Newborn
    $7.99 $4.39 45% off with code GOBIG
    70% off estimated retail
    Circo Zip Up Hoodie (view 2)Circo Zip Up Hoodie (view 1)Price Drop
    View Product: Circo Zip Up Hoodie

    Circo

    Zip Up Hoodie
    Size 18 mo
    $7.99 $4.39 45% off with code GOBIG
    42% off estimated retail
    dip Zip Up Hoodie (view 2)dip Zip Up Hoodie (view 1)Price Drop
    View Product: dip Zip Up Hoodie

    dip

    Zip Up Hoodie
    Size 6-12 mo
    $7.99 $4.39 45% off with code GOBIG
    42% off estimated retail
    Touched by Nature Cardigan (view 2)Touched by Nature Cardigan (view 1)Price Drop
    View Product: Touched by Nature Cardigan

    Touched by Nature

    Cardigan
    Size 18 mo
    $7.99 $4.39 45% off with code GOBIG
    61% 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 6-12 mo
    $7.99 $4.39 45% off with code GOBIG
    53% off estimated retail
    Carter's Zip Up Hoodie (view 2)Carter's Zip Up Hoodie (view 1)Price Drop
    View Product: Carter's Zip Up Hoodie

    Carter's

    Zip Up Hoodie
    Size 6 mo
    $7.99 $4.39 45% off with code GOBIG
    70% off estimated retail
    Assorted Brands Pullover Sweater (view 2)Assorted Brands Pullover Sweater (view 1)Price Drop
    View Product: Assorted Brands Pullover Sweater

    Assorted Brands

    Pullover Sweater
    Size 6-12 mo
    $7.99 $4.39 45% off with code GOBIG
    76% off estimated retail
    Precious Cargo Zip Up Hoodie (view 2)Precious Cargo Zip Up Hoodie (view 1)Price Drop
    View Product: Precious Cargo Zip Up Hoodie

    Precious Cargo

    Zip Up Hoodie
    Size 12 mo
    $11.99 $6.59 45% off with code GOBIG
    14% 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 18 mo
    $7.99 $4.39 45% off with code GOBIG
    70% off estimated retail
    Carter's Cardigan (view 2)Carter's Cardigan (view 1)Price Drop
    View Product: Carter's Cardigan

    Carter's

    Cardigan
    Size 6 mo
    $7.99 $4.39 45% off with code GOBIG
    76% off estimated retail
    Baby Essentials Zip Up Hoodie (view 2)Baby Essentials Zip Up Hoodie (view 1)Price Drop
    View Product: Baby Essentials Zip Up Hoodie

    Baby Essentials

    Zip Up Hoodie
    Size 9 mo
    $7.99 $4.39 45% off with code GOBIG
    42% off estimated retail
    Tuff Guy Sweatshirt (view 2)Tuff Guy Sweatshirt (view 1)Price Drop
    View Product: Tuff Guy Sweatshirt

    Tuff Guy

    Sweatshirt
    Size 12 mo
    $7.99 $4.39 45% off with code GOBIG
    42% 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
    Assorted Brands Pullover Sweater (view 2)Assorted Brands Pullover Sweater (view 1)Price Drop
    View Product: Assorted Brands Pullover Sweater

    Assorted Brands

    Pullover Sweater
    Size 110 cm
    $15.99 $8.79 45% off with code GOBIG
    62% off estimated retail
    The Children's Place Sweatshirt (view 2)The Children's Place Sweatshirt (view 1)Price Drop
    View Product: The Children's Place Sweatshirt

    The Children's Place

    Sweatshirt
    Size 6-9 mo
    $7.99 $4.39 45% off with code GOBIG
    68% 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
    $6.99 $3.84 45% off with code GOBIG
    58% off estimated retail
    Cuddle Bear Pullover Sweater (view 2)Cuddle Bear Pullover Sweater (view 1)Price Drop
    View Product: Cuddle Bear Pullover Sweater

    Cuddle Bear

    Pullover Sweater
    Size 6-9 mo
    $7.99 $4.39 45% off with code GOBIG
    42% off estimated retail
    Carter's Cardigan (view 2)Carter's Cardigan (view 1)Price Drop
    View Product: Carter's Cardigan

    Carter's

    Cardigan
    Size 3 mo
    $4.99 $2.74 45% off with code GOBIG
    85% off estimated retail
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