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For rough and tumble play, boys' casual pants keep kids comfortable so they can focus on being with their friends. At thredUP, find the kinds of casual pants boys love at a price you'll adore up to 90% off estimated retail.

CasualRemove filter3TRemove filter18Remove filter12-18 moRemove filter
84 items
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    Vineyard Vines Khakis (view 2)Vineyard Vines Khakis (view 1)
    View Product: Vineyard Vines Khakis

    Vineyard Vines

    Khakis
    Size 18
    $20.99 $15.74 25% off with code THRIFT25
    61% off estimated retail
    Baby Gap Khakis (view 2)Baby Gap Khakis (view 1)
    View Product: Baby Gap Khakis

    Baby Gap

    Khakis
    Size 3T
    $12.99 $9.74 25% off with code THRIFT25
    59% off estimated retail
    Kite Overalls (view 2)Kite Overalls (view 1)
    View Product: Kite Overalls

    Kite

    Overalls
    Size 12-18 mo
    $17.99 $13.49 25% off with code THRIFT25
    50% off estimated retail
    Gap Cords (view 2)Gap Cords (view 1)
    View Product: Gap Cords

    Gap

    Cords
    Size 12-18 mo
    $10.99 $8.24 25% off with code THRIFT25
    66% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Zara Cords (view 2)Zara Cords (view 1)
    View Product: Zara Cords

    Zara

    Cords
    Size 12-18 mo
    $15.99 $11.99 25% off with code THRIFT25
    44% off estimated retail
    Tahari Khakis (view 2)Tahari Khakis (view 1)
    View Product: Tahari Khakis

    Tahari

    Khakis
    Size 3T
    $9.99 $7.49 25% off with code THRIFT25
    72% off estimated retail
    Kate Quinn Organics Casual Pants (view 2)Kate Quinn Organics Casual Pants (view 1)
    View Product: Kate Quinn Organics Casual Pants

    Kate Quinn Organics

    Casual Pants
    Size 12-18 mo
    $12.99 $9.74 25% off with code THRIFT25
    55% off estimated retail
    Redhead Casual Pants (view 2)Redhead Casual Pants (view 1)
    View Product: Redhead Casual Pants

    Redhead

    Casual Pants
    Size 18
    $10.99 $8.24 25% off with code THRIFT25
    50% 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 $9.74 25% off with code THRIFT25
    60% 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
    $23.99 $17.99 25% off with code THRIFT25
    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 $18.74 25% off with code THRIFT25
    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 $15.74 25% off with code THRIFT25
    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 3T
    $12.99 $9.74 25% off with code THRIFT25
    72% 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 $11.24 25% off with code THRIFT25
    54% off estimated retail
    Hanna Andersson Casual Pants (view 2)Hanna Andersson Casual Pants (view 1)
    View Product: Hanna Andersson Casual Pants

    Hanna Andersson

    Casual Pants
    Size 3T
    $19.99 $14.99 25% off with code THRIFT25
    33% 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 $15.74 25% off with code THRIFT25
    51% off estimated retail
    Levi's Casual Pants (view 2)Levi's Casual Pants (view 1)
    View Product: Levi's Casual Pants

    Levi's

    Casual Pants
    Size 3T
    $12.99 $9.74 25% off with code THRIFT25
    63% 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
    $20.99 $15.74 25% off with code THRIFT25
    70% off estimated retail
    Baby Boden Casual Pants (view 2)Baby Boden Casual Pants (view 1)
    View Product: Baby Boden Casual Pants

    Baby Boden

    Casual Pants
    Size 12-18 mo
    $13.99 $10.49 25% off with code THRIFT25
    61% off estimated retail
    QUINCY MAE Cords (view 2)QUINCY MAE Cords (view 1)
    View Product: QUINCY MAE Cords

    QUINCY MAE

    Cords
    Size 12-18 mo
    $16.99 $12.74 25% off with code THRIFT25
    52% off estimated retail
    Ocean + Coast Overalls (view 2)Ocean + Coast Overalls (view 1)
    View Product: Ocean + Coast Overalls

    Ocean + Coast

    Overalls
    Size 3T
    $15.99 $11.99 25% off with code THRIFT25
    64% 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 THRIFT25
    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 THRIFT25
    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 $11.99 25% off with code THRIFT25
    63% off estimated retail
    Collective Concepts Casual Pants (view 2)Collective Concepts Casual Pants (view 1)
    View Product: Collective Concepts Casual Pants

    Collective Concepts

    Casual Pants
    Size 3T
    $15.99 $11.99 25% off with code THRIFT25
    70% off estimated retail
    EZPZ Easy Peasy Cords (view 2)EZPZ Easy Peasy Cords (view 1)
    View Product: EZPZ Easy Peasy Cords

    EZPZ Easy Peasy

    Cords
    Size 3T
    $27.99 $20.99 25% off with code THRIFT25
    69% off estimated retail
    Baby Gap Casual Pants (view 2)Baby Gap Casual Pants (view 1)
    View Product: Baby Gap Casual Pants

    Baby Gap

    Casual Pants
    Size 12-18 mo
    $12.99 $9.74 25% off with code THRIFT25
    27% off estimated retail
    Baby Gap Casual Pants (view 2)Baby Gap Casual Pants (view 1)
    View Product: Baby Gap Casual Pants

    Baby Gap

    Casual Pants
    Size 12-18 mo
    $12.99 $9.74 25% off with code THRIFT25
    27% 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 THRIFT25
    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 THRIFT25
    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 $10.49 25% off with code THRIFT25
    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 $14.99 25% off with code THRIFT25
    63% off estimated retail
    Hanna Andersson Casual Pants (view 2)Hanna Andersson Casual Pants (view 1)
    View Product: Hanna Andersson Casual Pants

    Hanna Andersson

    Casual Pants
    Size 12-18 mo
    $19.99 $14.99 25% off with code THRIFT25
    33% off estimated retail
    Vans Khakis (view 2)Vans Khakis (view 1)
    View Product: Vans Khakis

    Vans

    Khakis
    Size 18
    $18.99 $14.24 25% off with code THRIFT25
    65% off estimated retail
    Baby Boden Casual Pants (view 2)Baby Boden Casual Pants (view 1)
    View Product: Baby Boden Casual Pants

    Baby Boden

    Casual Pants
    Size 12-18 mo
    $13.99 $10.49 25% off with code THRIFT25
    61% off estimated retail
    Special Occasions Khakis (view 2)Special Occasions Khakis (view 1)
    View Product: Special Occasions Khakis

    Special Occasions

    Khakis
    Size 12-18 mo
    $10.99 $8.24 25% off with code THRIFT25
    50% off estimated retail
    Polo Jeans Co. by Ralph Lauren Cargo Pants (view 2)Polo Jeans Co. by Ralph Lauren Cargo Pants (view 1)
    View Product: Polo Jeans Co. by Ralph Lauren Cargo Pants

    Polo Jeans Co. by Ralph Lauren

    Cargo Pants
    Size 12-18 mo
    $7.99 $5.99 25% off with code THRIFT25
    72% off estimated retail
    Mini Boden Casual Pants (view 2)Mini Boden Casual Pants (view 1)
    View Product: Mini Boden Casual Pants

    Mini Boden

    Casual Pants
    Size 12-18 mo
    $16.99 $12.74 25% off with code THRIFT25
    52% off estimated retail
    Zara Khakis (view 2)Zara Khakis (view 1)
    View Product: Zara Khakis

    Zara

    Khakis
    Size 12-18 mo
    $15.99 $11.99 25% off with code THRIFT25
    44% off estimated retail
    Banana Republic Casual Pants (view 2)Banana Republic Casual Pants (view 1)
    View Product: Banana Republic Casual Pants

    Banana Republic

    Casual Pants
    Size 12-18 mo
    $25.99 $19.49 25% off with code THRIFT25
    55% off estimated retail
    Nest Casual Pants (view 2)Nest Casual Pants (view 1)
    View Product: Nest Casual Pants

    Nest

    Casual Pants
    Size 12-18 mo
    $9.99 $7.49 25% off with code THRIFT25
    33% off estimated retail
    Zara Casual Pants (view 2)Zara Casual Pants (view 1)
    View Product: Zara Casual Pants

    Zara

    Casual Pants
    Size 12-18 mo
    $11.99 $8.99 25% off with code THRIFT25
    58% 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 THRIFT25
    69% off estimated retail
    IZOD Khakis (view 2)IZOD Khakis (view 1)
    View Product: IZOD Khakis

    IZOD

    Khakis
    Size 18
    $14.99 $11.24 25% off with code THRIFT25
    54% off estimated retail
    F&F Clothing Casual Pants (view 2)F&F Clothing Casual Pants (view 1)
    View Product: F&F Clothing Casual Pants

    F&F Clothing

    Casual Pants
    Size 12-18 mo
    $6.99 $5.24 25% off with code THRIFT25
    53% off estimated retail
    LC Waikiki Casual Pants (view 2)LC Waikiki Casual Pants (view 1)
    View Product: LC Waikiki Casual Pants

    LC Waikiki

    Casual Pants
    Size 12-18 mo
    $8.99 $6.74 25% off with code THRIFT25
    40% 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 $9.74 25% off with code THRIFT25
    60% 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 12-18 mo
    $10.99 $8.24 25% off with code THRIFT25
    62% off estimated retail
    Les Gamins Overalls (view 2)Les Gamins Overalls (view 1)
    View Product: Les Gamins Overalls

    Les Gamins

    Overalls
    Size 12-18 mo
    $15.99 $11.99 25% off with code THRIFT25
    55% off estimated retail
    Levi's Cords (view 2)Levi's Cords (view 1)
    View Product: Levi's Cords

    Levi's

    Cords
    Size 3T
    $17.99 $13.49 25% off with code THRIFT25
    50% off estimated retail
    Hanna Andersson Casual Pants (view 2)Hanna Andersson Casual Pants (view 1)
    View Product: Hanna Andersson Casual Pants

    Hanna Andersson

    Casual Pants
    Size 12-18 mo
    $19.99 $14.99 25% off with code THRIFT25
    33% off estimated retail
    MNG Kids Khakis (view 2)MNG Kids Khakis (view 1)
    View Product: MNG Kids Khakis

    MNG Kids

    Khakis
    Size 12-18 mo
    $10.99 $8.24 25% off with code THRIFT25
    50% 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 $8.99 25% off with code THRIFT25
    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 THRIFT25
    53% off estimated retail
    Polo by Ralph Lauren Cords (view 2)Polo by Ralph Lauren Cords (view 1)
    View Product: Polo by Ralph Lauren Cords

    Polo by Ralph Lauren

    Cords
    Size 3T
    $23.99 $17.99 25% off with code THRIFT25
    65% off estimated retail
    Unbranded Casual Pants (view 2)Unbranded Casual Pants (view 1)
    View Product: Unbranded Casual Pants

    Unbranded

    Casual Pants
    Size 12-18 mo
    $13.99 $10.49 25% off with code THRIFT25
    51% off estimated retail
    Janie and Jack Casual Pants (view 2)Janie and Jack Casual Pants (view 1)
    View Product: Janie and Jack Casual Pants

    Janie and Jack

    Casual Pants
    Size 12-18 mo
    $13.99 $10.49 25% off with code THRIFT25
    61% off estimated retail
    Hanna Andersson Casual Pants (view 2)Hanna Andersson Casual Pants (view 1)
    View Product: Hanna Andersson Casual Pants

    Hanna Andersson

    Casual Pants
    Size 12-18 mo
    $10.99 $8.24 25% off with code THRIFT25
    63% off estimated retail
    Janie and Jack Casual Pants (view 2)Janie and Jack Casual Pants (view 1)
    View Product: Janie and Jack Casual Pants

    Janie and Jack

    Casual Pants
    Size 12-18 mo
    $10.99 $8.24 25% off with code THRIFT25
    69% 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 THRIFT25
    77% off estimated retail
    Florence Eiseman Cords (view 2)Florence Eiseman Cords (view 1)Flawed Gem
    View Product: Florence Eiseman Cords

    Florence Eiseman

    Cords
    Size 3T
    $29.99 $22.49 25% off with code THRIFT25
    76% off estimated retail
    Million Polkadots Casual Pants (view 2)Million Polkadots Casual Pants (view 1)
    View Product: Million Polkadots Casual Pants

    Million Polkadots

    Casual Pants
    Size 12-18 mo
    $18.99 $14.24 25% off with code THRIFT25
    56% off estimated retail
    Hart + Land Casual Pants (view 2)Hart + Land Casual Pants (view 1)
    View Product: Hart + Land Casual Pants

    Hart + Land

    Casual Pants
    Size 12-18 mo
    $23.99 $17.99 25% off with code THRIFT25
    67% 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 $14.24 25% off with code THRIFT25
    56% off estimated retail
    Tooby Doo Cargo Pants (view 2)Tooby Doo Cargo Pants (view 1)
    View Product: Tooby Doo Cargo Pants

    Tooby Doo

    Cargo Pants
    Size 12-18 mo
    $9.99 $7.49 25% off with code THRIFT25
    65% off estimated retail
    Zara Cords (view 2)Zara Cords (view 1)Price Drop
    View Product: Zara Cords

    Zara

    Cords
    Size 12-18 mo
    $13.99 $10.49 25% off with code THRIFT25
    61% 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 $9.74 25% off with code THRIFT25
    70% off estimated retail
    MGXX Casual Pants (view 2)MGXX Casual Pants (view 1)Price Drop
    View Product: MGXX Casual Pants

    MGXX

    Casual Pants
    Size 12-18 mo
    $8.99 $6.74 25% off with code THRIFT25
    40% 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
    $11.99 $8.99 25% off with code THRIFT25
    72% 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 $10.49 25% off with code THRIFT25
    80% off estimated retail
    Old Navy Casual Pants (view 2)Old Navy Casual Pants (view 1)Price Drop
    View Product: Old Navy Casual Pants

    Old Navy

    Casual Pants
    Size 12-18 mo
    $9.99 $7.49 25% off with code THRIFT25
    37% off estimated retail
    Zara Khakis (view 2)Zara Khakis (view 1)Price Drop
    View Product: Zara Khakis

    Zara

    Khakis
    Size 18
    $10.99 $8.24 25% off with code THRIFT25
    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 $8.24 25% off with code THRIFT25
    74% off estimated retail
    Old Navy Casual Pants (view 2)Old Navy Casual Pants (view 1)Price Drop
    View Product: Old Navy Casual Pants

    Old Navy

    Casual Pants
    Size 12-18 mo
    $8.99 $6.74 25% off with code THRIFT25
    43% off estimated retail
    Gymboree Casual Pants (view 2)Gymboree Casual Pants (view 1)Price Drop
    View Product: Gymboree Casual Pants

    Gymboree

    Casual Pants
    Size 12-18 mo
    $9.99 $7.49 25% off with code THRIFT25
    68% off estimated retail
    Gap Cargo Pants (view 2)Gap Cargo Pants (view 1)Price Drop
    View Product: Gap Cargo Pants

    Gap

    Cargo Pants
    Size 12-18 mo
    $9.99 $7.49 25% off with code THRIFT25
    68% off estimated retail
    Assorted Brands Casual Pants (view 2)Assorted Brands Casual Pants (view 1)Price Drop
    View Product: Assorted Brands Casual Pants

    Assorted Brands

    Casual Pants
    Size 12-18 mo
    $9.99 $7.49 25% off with code THRIFT25
    63% off estimated retail
    Cabanalife Cargo Pants (view 2)Cabanalife Cargo Pants (view 1)Price Drop
    View Product: Cabanalife Cargo Pants

    Cabanalife

    Cargo Pants
    Size 12-18 mo
    $9.99 $7.49 25% off with code THRIFT25
    33% off estimated retail
    Old Navy Casual Pants (view 2)Old Navy Casual Pants (view 1)Price Drop
    View Product: Old Navy Casual Pants

    Old Navy

    Casual Pants
    Size 12-18 mo
    $8.99 $6.74 25% off with code THRIFT25
    43% 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 $5.24 25% off with code THRIFT25
    65% off estimated retail
    Gymboree Cargo Pants (view 2)Gymboree Cargo Pants (view 1)Price Drop
    View Product: Gymboree Cargo Pants

    Gymboree

    Cargo Pants
    Size 12-18 mo
    $7.99 $5.99 25% off with code THRIFT25
    68% off estimated retail
    Lee Khakis (view 2)Lee Khakis (view 1)Price Drop
    View Product: Lee Khakis

    Lee

    Khakis
    Size 12-18 mo Slim
    $7.99 $5.99 25% off with code THRIFT25
    42% off estimated retail
    Gymboree Cords (view 2)Gymboree Cords (view 1)Price Drop
    View Product: Gymboree Cords

    Gymboree

    Cords
    Size 12-18 mo
    $7.99 $5.99 25% off with code THRIFT25
    72% off estimated retail
    Baby Gro Khakis (view 2)Baby Gro Khakis (view 1)
    View Product: Baby Gro Khakis

    Baby Gro

    Khakis
    Size 12-18 mo
    $6.99 $5.24 25% off with code THRIFT25
    50% off estimated retail
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