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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 filter18Remove filter
75 items
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    Redhead Casual Pants (view 2)Redhead Casual Pants (view 1)
    View Product: Redhead Casual Pants

    Redhead

    Casual Pants
    Size 18
    $10.99
    50% off estimated retail
    The Children's Place Overalls (view 2)The Children's Place Overalls (view 1)
    View Product: The Children's Place Overalls

    The Children's Place

    Overalls
    Size 9-12 mo
    $7.99
    42% 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
    $12.99
    55% off estimated retail
    Dennis Casual Pants (view 2)Dennis Casual Pants (view 1)
    View Product: Dennis Casual Pants

    Dennis

    Casual Pants
    Size 18
    $12.99
    60% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Under Armour Casual Pants (view 2)Under Armour Casual Pants (view 1)
    View Product: Under Armour Casual Pants

    Under Armour

    Casual Pants
    Size 18
    $23.99
    56% off estimated retail
    Under Armour Casual Pants (view 2)Under Armour Casual Pants (view 1)
    View Product: Under Armour Casual Pants

    Under Armour

    Casual Pants
    Size 18
    $24.99
    54% off estimated retail
    Levi's Khakis (view 2)Levi's Khakis (view 1)
    View Product: Levi's Khakis

    Levi's

    Khakis
    Size 18
    $20.99
    52% off estimated retail
    Michael Kors Wool Pants (view 2)Michael Kors Wool Pants (view 1)
    View Product: Michael Kors Wool Pants

    Michael Kors

    Wool Pants
    Size 18
    $26.99
    66% off estimated retail
    Dickies Casual Pants (view 2)Dickies Casual Pants (view 1)
    View Product: Dickies Casual Pants

    Dickies

    Casual Pants
    Size 18
    $14.99
    54% off estimated retail
    Adidas Track Pants (view 2)Adidas Track Pants (view 1)
    View Product: Adidas Track Pants

    Adidas

    Track Pants
    Size 18
    $15.99
    61% off estimated retail
    Adidas Track Pants (view 2)Adidas Track Pants (view 1)
    View Product: Adidas Track Pants

    Adidas

    Track Pants
    Size 18
    $18.99
    53% off estimated retail
    Gap Kids Casual Pants (view 2)Gap Kids Casual Pants (view 1)
    View Product: Gap Kids Casual Pants

    Gap Kids

    Casual Pants
    Size 18
    $20.99
    51% off estimated retail
    Adidas Track Pants (view 2)Adidas Track Pants (view 1)
    View Product: Adidas Track Pants

    Adidas

    Track Pants
    Size 18
    $15.99
    61% off estimated retail
    Adidas Active Pants (view 2)Adidas Active Pants (view 1)
    View Product: Adidas Active Pants

    Adidas

    Active Pants
    Size 18
    $16.99
    37% off estimated retail
    Polo by Ralph Lauren Khakis (view 2)Polo by Ralph Lauren Khakis (view 1)
    View Product: Polo by Ralph Lauren Khakis

    Polo by Ralph Lauren

    Khakis
    Size 18
    $22.99
    67% off estimated retail
    Vineyard Vines Khakis (view 2)Vineyard Vines Khakis (view 1)
    View Product: Vineyard Vines Khakis

    Vineyard Vines

    Khakis
    Size 18
    $21.99 $16.49 25% off with code THANKU
    60% off estimated retail
    Polo by Ralph Lauren Khakis (view 2)Polo by Ralph Lauren Khakis (view 1)
    View Product: Polo by Ralph Lauren Khakis

    Polo by Ralph Lauren

    Khakis
    Size 18
    $23.99 $17.99 25% off with code THANKU
    65% off estimated retail
    Levi's Khakis (view 2)Levi's Khakis (view 1)
    View Product: Levi's Khakis

    Levi's

    Khakis
    Size 18 Slim
    $15.99 $12.79 20% off with code THANKU
    63% off estimated retail
    Under Armour Active Pants (view 2)Under Armour Active Pants (view 1)
    View Product: Under Armour Active Pants

    Under Armour

    Active Pants
    Size 18
    $22.99 $14.94 35% off with code THANKU
    43% 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 THANKU
    31% off estimated retail
    Adidas Sweatpants (view 2)Adidas Sweatpants (view 1)
    View Product: Adidas Sweatpants

    Adidas

    Sweatpants
    Size 18
    $15.99 $11.19 30% off with code THANKU
    52% off estimated retail
    Polo by Ralph Lauren Khakis (view 2)Polo by Ralph Lauren Khakis (view 1)
    View Product: Polo by Ralph Lauren Khakis

    Polo by Ralph Lauren

    Khakis
    Size 18
    $24.99 $18.74 25% off with code THANKU
    64% off estimated retail
    Polo by Ralph Lauren Khakis (view 2)Polo by Ralph Lauren Khakis (view 1)
    View Product: Polo by Ralph Lauren Khakis

    Polo by Ralph Lauren

    Khakis
    Size 18
    $19.99 $14.99 25% off with code THANKU
    71% off estimated retail
    Polo by Ralph Lauren Casual Pants (view 2)Polo by Ralph Lauren Casual Pants (view 1)
    View Product: Polo by Ralph Lauren Casual Pants

    Polo by Ralph Lauren

    Casual Pants
    Size 18
    $13.99 $11.19 20% off with code THANKU
    74% off estimated retail
    Vineyard Vines Cords (view 2)Vineyard Vines Cords (view 1)
    View Product: Vineyard Vines Cords

    Vineyard Vines

    Cords
    Size 18
    $19.99 $13.99 30% off with code THANKU
    63% off estimated retail
    H&M Overalls (view 2)H&M Overalls (view 1)
    View Product: H&M Overalls

    H&M

    Overalls
    Size 9-12 mo
    $13.99 $11.19 20% off with code THANKU
    36% off estimated retail
    Vans Khakis (view 2)Vans Khakis (view 1)
    View Product: Vans Khakis

    Vans

    Khakis
    Size 18
    $18.99 $13.29 30% off with code THANKU
    65% 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 THANKU
    62% off estimated retail
    Tallia Casual Pants (view 2)Tallia Casual Pants (view 1)
    View Product: Tallia Casual Pants

    Tallia

    Casual Pants
    Size 18
    $16.99 $12.74 25% off with code THANKU
    69% off estimated retail
    IZOD Khakis (view 2)IZOD Khakis (view 1)
    View Product: IZOD Khakis

    IZOD

    Khakis
    Size 18
    $14.99 $11.99 20% off with code THANKU
    54% off estimated retail
    IZOD Casual Pants (view 2)IZOD Casual Pants (view 1)
    View Product: IZOD Casual Pants

    IZOD

    Casual Pants
    Size 18
    $12.99 $10.39 20% off with code THANKU
    60% off estimated retail
    New Balance Sweatpants (view 2)New Balance Sweatpants (view 1)
    View Product: New Balance Sweatpants

    New Balance

    Sweatpants
    Size 18
    $17.99 $13.49 25% off with code THANKU
    63% off estimated retail
    Old Navy Khakis (view 2)Old Navy Khakis (view 1)
    View Product: Old Navy Khakis

    Old Navy

    Khakis
    Size 18
    $11.99 $9.59 20% off with code THANKU
    42% off estimated retail
    Old Navy Cargo Pants (view 2)Old Navy Cargo Pants (view 1)
    View Product: Old Navy Cargo Pants

    Old Navy

    Cargo Pants
    Size 18
    $20.99 $15.74 25% off with code THANKU
    53% off estimated retail
    Black N Bianco Dress Pants (view 2)Black N Bianco Dress Pants (view 1)
    View Product: Black N Bianco Dress Pants

    Black N Bianco

    Dress Pants
    Size 18
    $50.99 $40.79 20% off with code THANKU
    73% off estimated retail
    Noomie Sweatpants (view 2)Noomie Sweatpants (view 1)
    View Product: Noomie Sweatpants

    Noomie

    Sweatpants
    Size 9-12 mo
    $19.99 $15.99 20% off with code THANKU
    39% off estimated retail
    Gap Kids Khakis (view 2)Gap Kids Khakis (view 1)
    View Product: Gap Kids Khakis

    Gap Kids

    Khakis
    Size 18 Husky
    $15.99 $12.79 20% off with code THANKU
    62% 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 THANKU
    $11
    Assorted Brands Wool Pants (view 2)Assorted Brands Wool Pants (view 1)
    View Product: Assorted Brands Wool Pants

    Assorted Brands

    Wool Pants
    Size 18
    $20.99 $16.79 20% off with code THANKU
    61% off estimated retail
    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 THANKU
    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 THANKU
    41% off estimated retail
    REI Fleece Pants (view 2)REI Fleece Pants (view 1)
    View Product: REI Fleece Pants

    REI

    Fleece Pants
    Size 18
    $18.99 $10.44 45% off with code THANKU
    65% off estimated retail
    Bonpoint Sweatpants (view 2)Bonpoint Sweatpants (view 1)
    View Product: Bonpoint Sweatpants

    Bonpoint

    Sweatpants
    Size 18
    $38.99 $25.34 35% off with code THANKU
    76% 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 THANKU
    41% off estimated retail
    Puma Sweatpants (view 2)Puma Sweatpants (view 1)
    View Product: Puma Sweatpants

    Puma

    Sweatpants
    Size 18
    $23.99 $15.59 35% off with code THANKU
    57% 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 $19.24 45% off with code THANKU
    73% off estimated retail
    EZPZ Easy Peasy Casual Pants (view 2)EZPZ Easy Peasy Casual Pants (view 1)
    View Product: EZPZ Easy Peasy Casual Pants

    EZPZ Easy Peasy

    Casual Pants
    Size 18
    $24.99 $18.74 25% off with code THANKU
    77% 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 THANKU
    63% off estimated retail
    Zara Baby Casual Pants (view 2)Zara Baby Casual Pants (view 1)Price Drop
    View Product: Zara Baby Casual Pants

    Zara Baby

    Casual Pants
    Size 18
    $18.99 $15.19 20% off with code THANKU
    56% 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 THANKU
    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 $10.79 40% off with code THANKU
    45% off estimated retail
    Pink Floyd Sweatpants (view 2)Pink Floyd Sweatpants (view 1)Price Drop
    View Product: Pink Floyd Sweatpants

    Pink Floyd

    Sweatpants
    Size 18
    $15.99 $9.59 40% off with code THANKU
    51% off estimated retail
    Zara Baby Sweatpants (view 2)Zara Baby Sweatpants (view 1)Price Drop
    View Product: Zara Baby Sweatpants

    Zara Baby

    Sweatpants
    Size 18
    $14.99 $11.24 25% off with code THANKU
    54% off estimated retail
    Garfield Sweatpants (view 2)Garfield Sweatpants (view 1)Price Drop
    View Product: Garfield Sweatpants

    Garfield

    Sweatpants
    Size 18
    $10.99 $8.79 20% off with code THANKU
    31% off estimated retail
    Nature Club Casual Pants (view 2)Nature Club Casual Pants (view 1)Price Drop
    View Product: Nature Club Casual Pants

    Nature Club

    Casual Pants
    Size 18
    $12.99 $8.44 35% off with code THANKU
    70% 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 THANKU
    81% off estimated retail
    Purebaby Sweatpants (view 2)Purebaby Sweatpants (view 1)Price Drop
    View Product: Purebaby Sweatpants

    Purebaby

    Sweatpants
    Size 18
    $16.99 $10.19 40% off with code THANKU
    65% off estimated retail
    Grace Casual Pants (view 2)Grace Casual Pants (view 1)Price Drop
    View Product: Grace Casual Pants

    Grace

    Casual Pants
    Size 18
    $13.99 $10.49 25% off with code THANKU
    68% 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 THANKU
    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 THANKU
    75% off estimated retail
    Polo by Ralph Lauren Khakis (view 2)Polo by Ralph Lauren Khakis (view 1)Price Drop
    View Product: Polo by Ralph Lauren Khakis

    Polo by Ralph Lauren

    Khakis
    Size 18
    $13.99 $11.19 20% off with code THANKU
    80% 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 THANKU
    37% off estimated retail
    Zara Khakis (view 2)Zara Khakis (view 1)Price Drop
    View Product: Zara Khakis

    Zara

    Khakis
    Size 18
    $10.99 $8.79 20% off with code THANKU
    80% off estimated retail
    Gap Kids Casual Pants (view 2)Gap Kids Casual Pants (view 1)Price Drop
    View Product: Gap Kids Casual Pants

    Gap Kids

    Casual Pants
    Size 18
    $10.99 $8.79 20% off with code THANKU
    74% off estimated retail
    First Impressions Sweatpants (view 2)First Impressions Sweatpants (view 1)Price Drop
    View Product: First Impressions Sweatpants

    First Impressions

    Sweatpants
    Size 18
    $8.99 $7.19 20% off with code THANKU
    78% 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 THANKU
    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 THANKU
    40% off estimated retail
    Carter's Sweatpants (view 2)Carter's Sweatpants (view 1)Price Drop
    View Product: Carter's Sweatpants

    Carter's

    Sweatpants
    Size 18
    $9.99 $7.99 20% off with code THANKU
    69% 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 THANKU
    40% off estimated retail
    Baby Essentials Sweatpants (view 2)Baby Essentials Sweatpants (view 1)
    View Product: Baby Essentials Sweatpants

    Baby Essentials

    Sweatpants
    Size 18
    $6.99 $5.59 20% off with code THANKU
    53% 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 THANKU
    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 $6.39 20% off with code THANKU
    69% off estimated retail
    Just One Year by Carter's Casual Pants (view 2)Just One Year by Carter's Casual Pants (view 1)Price Drop
    View Product: Just One Year by Carter's Casual Pants

    Just One Year by Carter's

    Casual Pants
    Size 18
    $6.99 $5.59 20% off with code THANKU
    65% 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 THANKU
    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 THANKU
    20% off estimated retail
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