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Get boys' cardigan sweaters in a variety of styles and colors for your little guy to wear on family outings, to school, and to the playground. Find the perfect sweater from your favorite brand for 90% off estimated retail at thredUP.

CardigansRemove filter3-6 moRemove filter2Remove filter
34 items
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    Baby Gap Cardigan (view 2)Baby Gap Cardigan (view 1)
    View Product: Baby Gap Cardigan

    Baby Gap

    Cardigan
    Size 3-6 mo
    $18.99
    44% off estimated retail
    Baby Greendog Cardigan (view 2)Baby Greendog Cardigan (view 1)
    View Product: Baby Greendog Cardigan

    Baby Greendog

    Cardigan
    Size 3-6 mo
    $14.99
    51% off estimated retail
    EZPZ Easy Peasy Cardigan (view 2)EZPZ Easy Peasy Cardigan (view 1)New With Tags
    View Product: EZPZ Easy Peasy Cardigan

    EZPZ Easy Peasy

    Cardigan
    Size 3-6 mo
    $26.99
    75% off estimated retail
    Hanna Andersson Cardigan (view 2)Hanna Andersson Cardigan (view 1)
    View Product: Hanna Andersson Cardigan

    Hanna Andersson

    Cardigan
    Size 3-6 mo
    $27.99
    55% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Janie and Jack Cardigan (view 2)Janie and Jack Cardigan (view 1)
    View Product: Janie and Jack Cardigan

    Janie and Jack

    Cardigan
    Size 3-6 mo
    $15.99
    71% off estimated retail
    Baby Gap Cardigan (view 2)Baby Gap Cardigan (view 1)
    View Product: Baby Gap Cardigan

    Baby Gap

    Cardigan
    Size 3-6 mo
    $13.99 $11.19 20% off with code HOTDEAL
    58% off estimated retail
    Zara Baby Cardigan (view 2)Zara Baby Cardigan (view 1)
    View Product: Zara Baby Cardigan

    Zara Baby

    Cardigan
    Size 2
    $20.99 $15.74 25% off with code HOTDEAL
    52% off estimated retail
    Andy & Evan Cardigan (view 2)Andy & Evan Cardigan (view 1)
    View Product: Andy & Evan Cardigan

    Andy & Evan

    Cardigan
    Size 3-6 mo
    $21.99 $16.49 25% off with code HOTDEAL
    80% off estimated retail
    Baby Gap Cardigan (view 2)Baby Gap Cardigan (view 1)
    View Product: Baby Gap Cardigan

    Baby Gap

    Cardigan
    Size 3-6 mo
    $20.99 $15.74 25% off with code HOTDEAL
    41% off estimated retail
    Mud Pie Cardigan (view 2)Mud Pie Cardigan (view 1)
    View Product: Mud Pie Cardigan

    Mud Pie

    Cardigan
    Size 3-6 mo
    $17.99 $14.39 20% off with code HOTDEAL
    58% off estimated retail
    Crewcuts Outlet Cardigan (view 2)Crewcuts Outlet Cardigan (view 1)Flawed Gem
    View Product: Crewcuts Outlet Cardigan

    Crewcuts Outlet

    Cardigan
    Size 2
    $12.99 $10.39 20% off with code HOTDEAL
    59% off estimated retail
    Andy & Evan Cardigan (view 2)Andy & Evan Cardigan (view 1)
    View Product: Andy & Evan Cardigan

    Andy & Evan

    Cardigan
    Size 3-6 mo
    $20.99 $13.64 35% off with code HOTDEAL
    81% off estimated retail
    Busy Bees Cardigan (view 2)Busy Bees Cardigan (view 1)
    View Product: Busy Bees Cardigan

    Busy Bees

    Cardigan
    Size 2
    $26.99 $16.19 40% off with code HOTDEAL
    69% off estimated retail
    Baby Gap Cardigan (view 2)Baby Gap Cardigan (view 1)
    View Product: Baby Gap Cardigan

    Baby Gap

    Cardigan
    Size 3-6 mo
    $17.99 $13.49 25% off with code HOTDEAL
    48% 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 3-6 mo
    $18.99 $12.34 35% off with code HOTDEAL
    64% off estimated retail
    Baby Gap Cardigan (view 2)Baby Gap Cardigan (view 1)Price Drop
    View Product: Baby Gap Cardigan

    Baby Gap

    Cardigan
    Size 3-6 mo
    $15.99 $11.99 25% 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 2
    $15.99 $11.99 25% off with code HOTDEAL
    63% off estimated retail
    Hanna Andersson Cardigan (view 2)Hanna Andersson Cardigan (view 1)Price Drop
    View Product: Hanna Andersson Cardigan

    Hanna Andersson

    Cardigan
    Size 3-6 mo
    $30.99 $15.50 50% off with code HOTDEAL
    51% off estimated retail
    Hanna Andersson Cardigan (view 2)Hanna Andersson Cardigan (view 1)
    View Product: Hanna Andersson Cardigan

    Hanna Andersson

    Cardigan
    Size 3-6 mo
    $28.99 $14.50 50% off with code HOTDEAL
    53% off estimated retail
    Armani Junior Cardigan (view 2)Armani Junior Cardigan (view 1)Price Drop
    View Product: Armani Junior Cardigan

    Armani Junior

    Cardigan
    Size 2
    $70.99 $24.85 65% off with code HOTDEAL
    74% off estimated retail
    Tea Cardigan (view 2)Tea Cardigan (view 1)Price Drop
    View Product: Tea Cardigan

    Tea

    Cardigan
    Size 3-6 mo
    $21.99 $9.90 55% off with code HOTDEAL
    57% off estimated retail
    Baby Gap Cardigan (view 2)Baby Gap Cardigan (view 1)Price Drop
    View Product: Baby Gap Cardigan

    Baby Gap

    Cardigan
    Size 3-6 mo
    $13.99 $8.39 40% off with code HOTDEAL
    58% off estimated retail
    Basics Cardigan (view 2)Basics Cardigan (view 1)
    View Product: Basics Cardigan

    Basics

    Cardigan
    Size 3-6 mo
    $12.99 $6.50 50% off with code HOTDEAL
    50% off estimated retail
    Baby Gap Cardigan (view 2)Baby Gap Cardigan (view 1)Price Drop
    View Product: Baby Gap Cardigan

    Baby Gap

    Cardigan
    Size 3-6 mo
    $13.99 $7.69 45% off with code HOTDEAL
    58% off estimated retail
    Baby Gap Cardigan (view 2)Baby Gap Cardigan (view 1)Price Drop
    View Product: Baby Gap Cardigan

    Baby Gap

    Cardigan
    Size 3-6 mo
    $14.24 $7.83 45% off with code HOTDEAL
    65% off estimated retail
    Old Navy Cardigan (view 2)Old Navy Cardigan (view 1)Price Drop
    View Product: Old Navy Cardigan

    Old Navy

    Cardigan
    Size 3-6 mo
    $12.99 $7.79 40% off with code HOTDEAL
    47% off estimated retail
    Duck Duck Goose Cardigan (view 2)Duck Duck Goose Cardigan (view 1)Price Drop
    View Product: Duck Duck Goose Cardigan

    Duck Duck Goose

    Cardigan
    Size 3-6 mo
    $8.99 $5.39 40% off with code HOTDEAL
    55% off estimated retail
    Baby Gap Cardigan (view 2)Baby Gap Cardigan (view 1)Price Drop
    View Product: Baby Gap Cardigan

    Baby Gap

    Cardigan
    Size 3-6 mo
    $13.99 $7.69 45% off with code HOTDEAL
    62% off estimated retail
    Gymboree Cardigan (view 2)Gymboree Cardigan (view 1)Price Drop
    View Product: Gymboree Cardigan

    Gymboree

    Cardigan
    Size 3-6 mo
    $11.24 $6.74 40% off with code HOTDEAL
    74% off estimated retail
    The Children's Place Cardigan (view 2)The Children's Place Cardigan (view 1)Price Drop
    View Product: The Children's Place Cardigan

    The Children's Place

    Cardigan
    Size 3-6 mo
    $10.99 $6.59 40% off with code HOTDEAL
    57% 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
    $16.24 $8.93 45% off with code HOTDEAL
    80% off estimated retail
    baby boxer Cardigan (view 2)baby boxer Cardigan (view 1)Price Drop
    View Product: baby boxer Cardigan

    baby boxer

    Cardigan
    Size 3-6 mo
    $8.99 $5.39 40% off with code HOTDEAL
    55% off estimated retail
    Lili Gaufrette Cardigan (view 2)Lili Gaufrette Cardigan (view 1)Price Drop
    View Product: Lili Gaufrette Cardigan

    Lili Gaufrette

    Cardigan
    Size 2
    $22.24 $12.23 45% off with code HOTDEAL
    91% 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
    $16.24 $9.74 40% off with code HOTDEAL
    83% off estimated retail
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