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Growing boys have a seemingly endless need for new clothes, but the expense can be overwhelming. Shop gently used boys' pants at thredUP and enjoy savings up to 90% off the retail price.

9-12 moRemove filter
23 items
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    Assorted Brands Casual Pants (view 2)Assorted Brands Casual Pants (view 1)
    View Product: Assorted Brands Casual Pants

    Assorted Brands

    Casual Pants
    Size 9-12 mo
    $13.99
    51% off estimated retail
    Zara Baby Casual Pants (view 2)Zara Baby Casual Pants (view 1)
    View Product: Zara Baby Casual Pants

    Zara Baby

    Casual Pants
    Size 9-12 mo
    $10.99 $8.79 20% off with code SHINE
    62% 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 9-12 mo
    $14.99 $11.24 25% off with code SHINE
    31% off estimated retail
    Zara Baby Casual Pants (view 2)Zara Baby Casual Pants (view 1)
    View Product: Zara Baby Casual Pants

    Zara Baby

    Casual Pants
    Size 9-12 mo
    $10.99 $8.79 20% off with code SHINE
    62% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Noomie Sweatpants (view 2)Noomie Sweatpants (view 1)
    View Product: Noomie Sweatpants

    Noomie

    Sweatpants
    Size 9-12 mo
    $18.99 $15.19 20% off with code SHINE
    42% off estimated retail
    Friends Sweatpants (view 2)Friends Sweatpants (view 1)
    View Product: Friends Sweatpants

    Friends

    Sweatpants
    Size 9-12 mo
    $9.99 $7.99 20% off with code SHINE
    $11
    Air Jordan Active Pants (view 2)Air Jordan Active Pants (view 1)
    View Product: Air Jordan Active Pants

    Air Jordan

    Active Pants
    Size 9-12 mo
    $11.99 $9.59 20% off with code SHINE
    58% off estimated retail
    Monica + Andy Casual Pants (view 2)Monica + Andy Casual Pants (view 1)
    View Product: Monica + Andy Casual Pants

    Monica + Andy

    Casual Pants
    Size 9-12 mo
    $16.99 $13.59 20% off with code SHINE
    41% off estimated retail
    Badgley Mischka Fleece Pants (view 2)Badgley Mischka Fleece Pants (view 1)
    View Product: Badgley Mischka Fleece Pants

    Badgley Mischka

    Fleece Pants
    Size 9-12 mo
    $34.99 $17.50 50% off with code SHINE
    73% off estimated retail
    Zara Casual Pants (view 2)Zara Casual Pants (view 1)Price Drop
    View Product: Zara Casual Pants

    Zara

    Casual Pants
    Size 9-12 mo
    $12.99 $10.39 20% off with code SHINE
    63% off estimated retail
    Cherish The Moment Casual Pants (view 2)Cherish The Moment Casual Pants (view 1)Price Drop
    View Product: Cherish The Moment Casual Pants

    Cherish The Moment

    Casual Pants
    Size 9-12 mo
    $12.99 $8.44 35% off with code SHINE
    70% off estimated retail
    Cherish The Moment Sweatpants (view 2)Cherish The Moment Sweatpants (view 1)Price Drop
    View Product: Cherish The Moment Sweatpants

    Cherish The Moment

    Sweatpants
    Size 9-12 mo
    $17.99 $9.89 45% off with code SHINE
    45% off estimated retail
    Harmont & Blaine Khakis (view 2)Harmont & Blaine Khakis (view 1)Price Drop
    View Product: Harmont & Blaine Khakis

    Harmont & Blaine

    Khakis
    Size 9-12 mo
    $31.99 $16.00 50% off with code SHINE
    81% off estimated retail
    The Children's Place Casual Pants (view 2)The Children's Place Casual Pants (view 1)Price Drop
    View Product: The Children's Place Casual Pants

    The Children's Place

    Casual Pants
    Size 9-12 mo
    $9.99 $7.99 20% off with code SHINE
    37% off estimated retail
    Minnie Minors Casual Pants (view 2)Minnie Minors Casual Pants (view 1)Price Drop
    View Product: Minnie Minors Casual Pants

    Minnie Minors

    Casual Pants
    Size 9-12 mo
    $8.99 $6.74 25% off with code SHINE
    75% off estimated retail
    The Children's Place Khakis (view 2)The Children's Place Khakis (view 1)Price Drop
    View Product: The Children's Place Khakis

    The Children's Place

    Khakis
    Size 9-12 mo
    $9.99 $7.99 20% off with code SHINE
    37% off estimated retail
    Assorted Brands Sweatpants (view 2)Assorted Brands Sweatpants (view 1)Price Drop
    View Product: Assorted Brands Sweatpants

    Assorted Brands

    Sweatpants
    Size 9-12 mo
    $9.99 $7.99 20% off with code SHINE
    54% off estimated retail
    HB Baby Casual Pants (view 2)HB Baby Casual Pants (view 1)Price Drop
    View Product: HB Baby Casual Pants

    HB Baby

    Casual Pants
    Size 9-12 mo
    $8.99 $7.19 20% off with code SHINE
    40% off estimated retail
    Luvable Friends Casual Pants (view 2)Luvable Friends Casual Pants (view 1)Price Drop
    View Product: Luvable Friends Casual Pants

    Luvable Friends

    Casual Pants
    Size 9-12 mo
    $8.99 $7.19 20% off with code SHINE
    40% off estimated retail
    C&C California Casual Pants (view 2)C&C California Casual Pants (view 1)Price Drop
    View Product: C&C California Casual Pants

    C&C California

    Casual Pants
    Size 9-12 mo
    $8.99 $7.19 20% off with code SHINE
    73% off estimated retail
    DAYDREAM Sweatpants (view 2)DAYDREAM Sweatpants (view 1)Price Drop
    View Product: DAYDREAM Sweatpants

    DAYDREAM

    Sweatpants
    Size 9-12 mo
    $7.99 $5.99 25% off with code SHINE
    69% off estimated retail
    The Children's Place Casual Pants (view 2)The Children's Place Casual Pants (view 1)Price Drop
    View Product: The Children's Place Casual Pants

    The Children's Place

    Casual Pants
    Size 9-12 mo
    $7.99 $6.39 20% off with code SHINE
    46% off estimated retail
    Jumping Beans Fleece Pants (view 2)Jumping Beans Fleece Pants (view 1)Price Drop
    View Product: Jumping Beans Fleece Pants

    Jumping Beans

    Fleece Pants
    Size 9-12 mo
    $7.99 $6.39 20% off with code SHINE
    20% off estimated retail
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