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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 filter5Remove filter18-24 moRemove filter
42 items
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    Tommy Bahama Casual Pants (view 2)Tommy Bahama Casual Pants (view 1)
    View Product: Tommy Bahama Casual Pants

    Tommy Bahama

    Casual Pants
    Size 5
    $15.99 $11.99 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 3T
    $12.99 $9.74 25% off with code THRIFT25
    72% 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
    Tea Casual Pants (view 2)Tea Casual Pants (view 1)
    View Product: Tea Casual Pants

    Tea

    Casual Pants
    Size 18-24 mo
    $17.99 $13.49 25% off with code THRIFT25
    50% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Unionbay Cargo Pants (view 2)Unionbay Cargo Pants (view 1)
    View Product: Unionbay Cargo Pants

    Unionbay

    Cargo Pants
    Size 5
    $17.99 $13.49 25% off with code THRIFT25
    50% 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
    $13.99 $10.49 25% off with code THRIFT25
    61% off estimated retail
    Zara Casual Pants (view 2)Zara Casual Pants (view 1)
    View Product: Zara Casual Pants

    Zara

    Casual Pants
    Size 5
    $16.99 $12.74 25% off with code THRIFT25
    52% off estimated retail
    Crewcuts Outlet Cords (view 2)Crewcuts Outlet Cords (view 1)New With Tags
    View Product: Crewcuts Outlet Cords

    Crewcuts Outlet

    Cords
    Size 5
    $19.99 $14.99 25% off with code THRIFT25
    59% off estimated retail
    Crewcuts Khakis (view 2)Crewcuts Khakis (view 1)
    View Product: Crewcuts Khakis

    Crewcuts

    Khakis
    Size 5
    $18.99 $14.24 25% off with code THRIFT25
    65% off estimated retail
    Jacadi Khakis (view 2)Jacadi Khakis (view 1)
    View Product: Jacadi Khakis

    Jacadi

    Khakis
    Size 3T
    $20.99 $15.74 25% off with code THRIFT25
    71% off estimated retail
    Mini Mioche Casual Pants (view 2)Mini Mioche Casual Pants (view 1)
    View Product: Mini Mioche Casual Pants

    Mini Mioche

    Casual Pants
    Size 5
    $20.99 $15.74 25% off with code THRIFT25
    61% off estimated retail
    Mini Mioche Casual Pants (view 2)Mini Mioche Casual Pants (view 1)
    View Product: Mini Mioche Casual Pants

    Mini Mioche

    Casual Pants
    Size 5
    $19.99 $14.99 25% off with code THRIFT25
    63% 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
    Nico Nico Casual Pants (view 2)Nico Nico Casual Pants (view 1)
    View Product: Nico Nico Casual Pants

    Nico Nico

    Casual Pants
    Size 18-24 mo
    $11.99 $8.99 25% off with code THRIFT25
    66% off estimated retail
    Mini Mioche Casual Pants (view 2)Mini Mioche Casual Pants (view 1)
    View Product: Mini Mioche Casual Pants

    Mini Mioche

    Casual Pants
    Size 5
    $19.99 $14.99 25% off with code THRIFT25
    63% off estimated retail
    Mini Mioche Casual Pants (view 2)Mini Mioche Casual Pants (view 1)
    View Product: Mini Mioche Casual Pants

    Mini Mioche

    Casual Pants
    Size 5
    $19.99 $14.99 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
    Crewcuts Casual Pants (view 2)Crewcuts Casual Pants (view 1)
    View Product: Crewcuts Casual Pants

    Crewcuts

    Casual Pants
    Size 5
    $18.99 $14.24 25% off with code THRIFT25
    65% off estimated retail
    Zara Kids Cargo Pants (view 2)Zara Kids Cargo Pants (view 1)
    View Product: Zara Kids Cargo Pants

    Zara Kids

    Cargo Pants
    Size 5
    $10.99 $8.24 25% off with code THRIFT25
    69% off estimated retail
    Leo & Zachary Khakis (view 2)Leo & Zachary Khakis (view 1)
    View Product: Leo & Zachary Khakis

    Leo & Zachary

    Khakis
    Size 5
    $15.99 $11.99 25% off with code THRIFT25
    64% off estimated retail
    Seventy Seven Cargo Pants (view 2)Seventy Seven Cargo Pants (view 1)
    View Product: Seventy Seven Cargo Pants

    Seventy Seven

    Cargo Pants
    Size 5
    $8.99 $6.74 25% off with code THRIFT25
    60% 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 18-24 mo
    $12.99 $9.74 25% off with code THRIFT25
    55% off estimated retail
    Crewcuts Casual Pants (view 2)Crewcuts Casual Pants (view 1)
    View Product: Crewcuts Casual Pants

    Crewcuts

    Casual Pants
    Size 5
    $16.99 $12.74 25% off with code THRIFT25
    69% off estimated retail
    Janie and Jack Khakis (view 2)Janie and Jack Khakis (view 1)
    View Product: Janie and Jack Khakis

    Janie and Jack

    Khakis
    Size 18-24 mo
    $13.99 $10.49 25% off with code THRIFT25
    66% off estimated retail
    Air Jordan Casual Pants (view 2)Air Jordan Casual Pants (view 1)
    View Product: Air Jordan Casual Pants

    Air Jordan

    Casual Pants
    Size 5
    $23.99 $17.99 25% off with code THRIFT25
    67% off estimated retail
    Baby Boden Cords (view 2)Baby Boden Cords (view 1)Flawed Gem
    View Product: Baby Boden Cords

    Baby Boden

    Cords
    Size 18-24 mo
    $14.99 $11.24 25% off with code THRIFT25
    58% off estimated retail
    Baby Gap Cords (view 2)Baby Gap Cords (view 1)
    View Product: Baby Gap Cords

    Baby Gap

    Cords
    Size 18-24 mo
    $11.99 $8.99 25% off with code THRIFT25
    62% off estimated retail
    Little Rebels Casual Pants (view 2)Little Rebels Casual Pants (view 1)
    View Product: Little Rebels Casual Pants

    Little Rebels

    Casual Pants
    Size 5
    $8.99 $6.74 25% off with code THRIFT25
    50% off estimated retail
    TU Overalls (view 2)TU Overalls (view 1)
    View Product: TU Overalls

    TU

    Overalls
    Size 18-24 mo
    $17.99 $13.49 25% off with code THRIFT25
    50% off estimated retail
    Gymboree Khakis (view 2)Gymboree Khakis (view 1)
    View Product: Gymboree Khakis

    Gymboree

    Khakis
    Size 18-24 mo
    $12.99 $9.74 25% off with code THRIFT25
    59% 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
    Zara Baby Cords (view 2)Zara Baby Cords (view 1)
    View Product: Zara Baby Cords

    Zara Baby

    Cords
    Size 18-24 mo
    $13.99 $10.49 25% off with code THRIFT25
    51% 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 18-24 mo
    $15.99 $11.99 25% off with code THRIFT25
    44% 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
    Vineyard Vines Cargo Pants (view 2)Vineyard Vines Cargo Pants (view 1)
    View Product: Vineyard Vines Cargo Pants

    Vineyard Vines

    Cargo Pants
    Size 5
    $24.99 $18.74 25% off with code THRIFT25
    44% off estimated retail
    Janie and Jack Linen Pants (view 2)Janie and Jack Linen Pants (view 1)Flawed Gem
    View Product: Janie and Jack Linen Pants

    Janie and Jack

    Linen Pants
    Size 18-24 mo
    $13.99 $10.49 25% off with code THRIFT25
    66% off estimated retail
    Johnnie-O Casual Pants (view 2)Johnnie-O Casual Pants (view 1)
    View Product: Johnnie-O Casual Pants

    Johnnie-O

    Casual Pants
    Size 5
    $21.99 $16.49 25% off with code THRIFT25
    69% off estimated retail
    Janie and Jack Khakis (view 2)Janie and Jack Khakis (view 1)
    View Product: Janie and Jack Khakis

    Janie and Jack

    Khakis
    Size 18-24 mo
    $16.99 $12.74 25% off with code THRIFT25
    59% off estimated retail
    Janie and Jack Khakis (view 2)Janie and Jack Khakis (view 1)
    View Product: Janie and Jack Khakis

    Janie and Jack

    Khakis
    Size 18-24 mo
    $13.99 $10.49 25% off with code THRIFT25
    66% off estimated retail
    Jacadi Casual Pants (view 2)Jacadi Casual Pants (view 1)
    View Product: Jacadi Casual Pants

    Jacadi

    Casual Pants
    Size 5
    $16.99 $12.74 25% off with code THRIFT25
    76% 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
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