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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.

885 items
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    Oakley Track Pants (view 2)Oakley Track Pants (view 1)
    View Product: Oakley Track Pants

    Oakley

    Track Pants
    Size 4
    $11.99
    55% 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 6-9 mo
    $15.99
    44% off estimated retail
    Nike Active Pants (view 2)Nike Active Pants (view 1)
    View Product: Nike Active Pants

    Nike

    Active Pants
    Size 6 mo
    $10.99
    38% off estimated retail
    Arctix Snow Pants With Bib (view 2)Arctix Snow Pants With Bib (view 1)
    View Product: Arctix Snow Pants With Bib

    Arctix

    Snow Pants With Bib
    Size X-Small kids
    $19.99
    25% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Gap Fit Casual Pants (view 2)Gap Fit Casual Pants (view 1)
    View Product: Gap Fit Casual Pants

    Gap Fit

    Casual Pants
    Size 8 Husky
    $15.99
    70% off estimated retail
    Gap One Piece Snowsuit (view 2)Gap One Piece Snowsuit (view 1)
    View Product: Gap One Piece Snowsuit

    Gap

    One Piece Snowsuit
    Size 6-12 mo
    $33.99
    63% off estimated retail
    Adidas Active Pants (view 2)Adidas Active Pants (view 1)
    View Product: Adidas Active Pants

    Adidas

    Active Pants
    Size 7
    $15.99
    40% off estimated retail
    Under Armour Sweatpants (view 2)Under Armour Sweatpants (view 1)
    View Product: Under Armour Sweatpants

    Under Armour

    Sweatpants
    Size Small youth
    $26.99
    34% off estimated retail
    Crewcuts Outlet Sweatpants (view 2)Crewcuts Outlet Sweatpants (view 1)
    View Product: Crewcuts Outlet Sweatpants

    Crewcuts Outlet

    Sweatpants
    Size 6
    $9.99
    60% off estimated retail
    London Fog Snow Pants With Bib (view 2)London Fog Snow Pants With Bib (view 1)New With Tags
    View Product: London Fog Snow Pants With Bib

    London Fog

    Snow Pants With Bib
    Size 2T
    $20.99
    56% off estimated retail
    Nike Track Pants (view 2)Nike Track Pants (view 1)
    View Product: Nike Track Pants

    Nike

    Track Pants
    Size Medium kids
    $18.99
    53% off estimated retail
    Nike Active Pants (view 2)Nike Active Pants (view 1)
    View Product: Nike Active Pants

    Nike

    Active Pants
    Size 3T
    $9.99
    56% 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 Large youth
    $23.99
    46% off estimated retail
    Tommy Bahama Sweatpants (view 2)Tommy Bahama Sweatpants (view 1)Flawed Gem
    View Product: Tommy Bahama Sweatpants

    Tommy Bahama

    Sweatpants
    Size Small infants
    $12.99
    51% 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 18-24 mo
    $15.99
    46% off estimated retail
    Gap Fit Sweatpants (view 2)Gap Fit Sweatpants (view 1)
    View Product: Gap Fit Sweatpants

    Gap Fit

    Sweatpants
    Size 3
    $21.99
    41% off estimated retail
    Nike Sweatpants (view 2)Nike Sweatpants (view 1)
    View Product: Nike Sweatpants

    Nike

    Sweatpants
    Size 3-6 mo
    $17.99
    48% off estimated retail
    Polo by Ralph Lauren Sweatpants (view 2)Polo by Ralph Lauren Sweatpants (view 1)
    View Product: Polo by Ralph Lauren Sweatpants
    Size 3
    $17.99
    71% off estimated retail
    Gap Fit Active Pants (view 2)Gap Fit Active Pants (view 1)
    View Product: Gap Fit Active Pants

    Gap Fit

    Active Pants
    Size Small kids
    $14.99
    34% off estimated retail
    Gap Fit Active Pants (view 2)Gap Fit Active Pants (view 1)
    View Product: Gap Fit Active Pants

    Gap Fit

    Active Pants
    Size 14
    $14.99
    44% off estimated retail
    Adidas Active Pants (view 2)Adidas Active Pants (view 1)
    View Product: Adidas Active Pants

    Adidas

    Active Pants
    Size 6 mo
    $6.99
    61% off estimated retail
    Nike Sweatpants (view 2)Nike Sweatpants (view 1)
    View Product: Nike Sweatpants

    Nike

    Sweatpants
    Size 3T
    $22.99
    42% off estimated retail
    Gap Kids Active Pants (view 2)Gap Kids Active Pants (view 1)New With Tags
    View Product: Gap Kids Active Pants

    Gap Kids

    Active Pants
    Size 14
    $16.99
    31% off estimated retail
    Under Armour Sweatpants (view 2)Under Armour Sweatpants (view 1)
    View Product: Under Armour Sweatpants

    Under Armour

    Sweatpants
    Size Small youth
    $26.99
    34% 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 3-6 mo
    $15.99
    46% off estimated retail
    Nike Sweatpants (view 2)Nike Sweatpants (view 1)
    View Product: Nike Sweatpants

    Nike

    Sweatpants
    Size 3 mo
    $16.99
    51% off estimated retail
    Active by Old Navy Track Pants (view 2)Active by Old Navy Track Pants (view 1)
    View Product: Active by Old Navy Track Pants
    Size 8
    $12.99
    48% off estimated retail
    Under Armour Active Pants (view 2)Under Armour Active Pants (view 1)New With Tags
    View Product: Under Armour Active Pants

    Under Armour

    Active Pants
    Size X-Large youth
    $19.99
    50% off estimated retail
    Hanna Andersson Sweatpants (view 2)Hanna Andersson Sweatpants (view 1)
    View Product: Hanna Andersson Sweatpants

    Hanna Andersson

    Sweatpants
    Size 4 Slim
    $15.99
    46% off estimated retail
    Champion Sweatpants (view 2)Champion Sweatpants (view 1)
    View Product: Champion Sweatpants

    Champion

    Sweatpants
    Size 10
    $15.99
    36% off estimated retail
    Adidas Track Pants (view 2)Adidas Track Pants (view 1)
    View Product: Adidas Track Pants

    Adidas

    Track Pants
    Size X-Small youth
    $18.99
    54% off estimated retail
    Nike Sweatpants (view 2)Nike Sweatpants (view 1)
    View Product: Nike Sweatpants

    Nike

    Sweatpants
    Size 6 mo
    $18.99
    45% off estimated retail
    Adidas Active Pants (view 2)Adidas Active Pants (view 1)
    View Product: Adidas Active Pants

    Adidas

    Active Pants
    Size 9 mo
    $7.99
    55% off estimated retail
    Tek Gear Track Pants (view 2)Tek Gear Track Pants (view 1)
    View Product: Tek Gear Track Pants

    Tek Gear

    Track Pants
    Size 10
    $15.99
    48% off estimated retail
    FILA Sweatpants (view 2)FILA Sweatpants (view 1)
    View Product: FILA Sweatpants

    FILA

    Sweatpants
    Size 10
    $22.99
    48% off estimated retail
    CAPSULE Sweatpants (view 2)CAPSULE Sweatpants (view 1)
    View Product: CAPSULE Sweatpants

    CAPSULE

    Sweatpants
    Size Medium youth
    $18.99
    51% off estimated retail
    Adidas Track Pants (view 2)Adidas Track Pants (view 1)
    View Product: Adidas Track Pants

    Adidas

    Track Pants
    Size 8
    $25.99
    61% off estimated retail
    Weatherproof Sweatpants (view 2)Weatherproof Sweatpants (view 1)
    View Product: Weatherproof Sweatpants

    Weatherproof

    Sweatpants
    Size 14
    $6.99
    56% off estimated retail
    Adidas Track Pants (view 2)Adidas Track Pants (view 1)
    View Product: Adidas Track Pants

    Adidas

    Track Pants
    Size 11
    $15.99
    61% off estimated retail
    Nike Sweatpants (view 2)Nike Sweatpants (view 1)Flawed Gem
    View Product: Nike Sweatpants

    Nike

    Sweatpants
    Size Large youth
    $16.99
    57% off estimated retail
    Zara Overalls (view 2)Zara Overalls (view 1)Flawed Gem
    View Product: Zara Overalls

    Zara

    Overalls
    Size 18-24 mo
    $15.99
    44% 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 16
    $21.99
    51% off estimated retail
    Adidas Track Pants (view 2)Adidas Track Pants (view 1)
    View Product: Adidas Track Pants

    Adidas

    Track Pants
    Size 6
    $23.99
    51% 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 Small kids
    $22.99
    48% off estimated retail
    Hatley One Piece Snowsuit (view 2)Hatley One Piece Snowsuit (view 1)
    View Product: Hatley One Piece Snowsuit

    Hatley

    One Piece Snowsuit
    Size 6-9 mo
    $26.99
    54% off estimated retail
    The North Face One Piece Snowsuit (view 2)The North Face One Piece Snowsuit (view 1)
    View Product: The North Face One Piece Snowsuit

    The North Face

    One Piece Snowsuit
    Size 3-6 mo
    $43.99
    49% off estimated retail
    Spyder Snow Pants (view 2)Spyder Snow Pants (view 1)
    View Product: Spyder Snow Pants

    Spyder

    Snow Pants
    Size 10
    $43.99
    75% 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 X-Large youth
    $22.99
    48% off estimated retail
    Columbia Track Pants (view 2)Columbia Track Pants (view 1)
    View Product: Columbia Track Pants

    Columbia

    Track Pants
    Size 4
    $16.99
    37% off estimated retail
    Nike Active Pants (view 2)Nike Active Pants (view 1)
    View Product: Nike Active Pants

    Nike

    Active Pants
    Size 12 mo
    $7.99
    55% off estimated retail
    Nike Active Pants (view 2)Nike Active Pants (view 1)
    View Product: Nike Active Pants

    Nike

    Active Pants
    Size 12 mo
    $7.99
    55% off estimated retail
    Under Armour Active Pants (view 2)Under Armour Active Pants (view 1)Flawed Gem
    View Product: Under Armour Active Pants

    Under Armour

    Active Pants
    Size 5
    $25.99
    42% off estimated retail
    Gini & Jony Track Pants (view 2)Gini & Jony Track Pants (view 1)
    View Product: Gini & Jony Track Pants

    Gini & Jony

    Track Pants
    Size 18-24 mo
    $10.99
    50% 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 Large youth
    $26.99
    40% off estimated retail
    Tom Tailor Sweatpants (view 2)Tom Tailor Sweatpants (view 1)
    View Product: Tom Tailor Sweatpants

    Tom Tailor

    Sweatpants
    Size 12 mo
    $17.99
    45% off estimated retail
    Adidas Active Pants (view 2)Adidas Active Pants (view 1)
    View Product: Adidas Active Pants

    Adidas

    Active Pants
    Size 5
    $21.99
    21% off estimated retail
    Champion Track Pants (view 2)Champion Track Pants (view 1)
    View Product: Champion Track Pants

    Champion

    Track Pants
    Size Large youth
    $19.99
    20% off estimated retail
    Adidas Sweatpants (view 2)Adidas Sweatpants (view 1)
    View Product: Adidas Sweatpants

    Adidas

    Sweatpants
    Size 10
    $18.99
    45% off estimated retail
    Columbia Track Pants (view 2)Columbia Track Pants (view 1)
    View Product: Columbia Track Pants

    Columbia

    Track Pants
    Size Large kids
    $17.99
    48% off estimated retail
    Nike Casual Pants (view 2)Nike Casual Pants (view 1)
    View Product: Nike Casual Pants

    Nike

    Casual Pants
    Size 3 mo
    $20.99
    41% off estimated retail
    Musli Sweatpants (view 2)Musli Sweatpants (view 1)
    View Product: Musli Sweatpants

    Musli

    Sweatpants
    Size 9-12 mo
    $31.99
    36% off estimated retail
    Obermeyer Fleece Pants (view 2)Obermeyer Fleece Pants (view 1)
    View Product: Obermeyer Fleece Pants

    Obermeyer

    Fleece Pants
    Size Small youth
    $25.99
    73% off estimated retail
    Joules Khakis (view 2)Joules Khakis (view 1)
    View Product: Joules Khakis

    Joules

    Khakis
    Size 6
    $25.99
    76% off estimated retail
    Patagonia Sweatpants (view 2)Patagonia Sweatpants (view 1)
    View Product: Patagonia Sweatpants

    Patagonia

    Sweatpants
    Size 8
    $23.99
    46% off estimated retail
    Nike Track Pants (view 2)Nike Track Pants (view 1)
    View Product: Nike Track Pants

    Nike

    Track Pants
    Size 2T
    $13.99
    48% off estimated retail
    Petite Hailey Casual Pants (view 2)Petite Hailey Casual Pants (view 1)New With Tags
    View Product: Petite Hailey Casual Pants

    Petite Hailey

    Casual Pants
    Size 8
    $20.99
    73% 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 Large youth
    $22.99
    53% off estimated retail
    L.L.Bean Track Pants (view 2)L.L.Bean Track Pants (view 1)
    View Product: L.L.Bean Track Pants

    L.L.Bean

    Track Pants
    Size 2T
    $13.99
    40% off estimated retail
    Under Armour Sweatpants (view 2)Under Armour Sweatpants (view 1)
    View Product: Under Armour Sweatpants

    Under Armour

    Sweatpants
    Size Small youth
    $27.99
    36% off estimated retail
    Joe's Jeans Fleece Pants (view 2)Joe's Jeans Fleece Pants (view 1)
    View Product: Joe's Jeans Fleece Pants

    Joe's Jeans

    Fleece Pants
    Size 5
    $10.99
    75% off estimated retail
    Orage Snow Pants (view 2)Orage Snow Pants (view 1)
    View Product: Orage Snow Pants

    Orage

    Snow Pants
    Size 10
    $36.99
    69% off estimated retail
    Gap Kids Sweatpants (view 2)Gap Kids Sweatpants (view 1)
    View Product: Gap Kids Sweatpants

    Gap Kids

    Sweatpants
    Size Medium kids
    $16.99
    60% off estimated retail
    Polo by Ralph Lauren Track Pants (view 2)Polo by Ralph Lauren Track Pants (view 1)
    View Product: Polo by Ralph Lauren Track Pants
    Size 8
    $21.99
    66% off estimated retail
    Hanna Andersson Casual Pants (view 2)Hanna Andersson Casual Pants (view 1)Flawed Gem
    View Product: Hanna Andersson Casual Pants

    Hanna Andersson

    Casual Pants
    Size 3-6 mo
    $20.99
    43% 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 60 cm
    $21.99
    40% off estimated retail
    Miles Sweatpants (view 2)Miles Sweatpants (view 1)
    View Product: Miles Sweatpants

    Miles

    Sweatpants
    Size 7
    $26.99
    46% off estimated retail
    Hanna Andersson Sweatpants (view 2)Hanna Andersson Sweatpants (view 1)
    View Product: Hanna Andersson Sweatpants

    Hanna Andersson

    Sweatpants
    Size 8
    $18.99
    36% off estimated retail
    Rothschild One Piece Snowsuit (view 2)Rothschild One Piece Snowsuit (view 1)
    View Product: Rothschild One Piece Snowsuit

    Rothschild

    One Piece Snowsuit
    Size 3-6 mo
    $31.99
    80% off estimated retail
    L.L.Bean Snow Pants With Bib (view 2)L.L.Bean Snow Pants With Bib (view 1)
    View Product: L.L.Bean Snow Pants With Bib

    L.L.Bean

    Snow Pants With Bib
    Size 2T
    $20.99
    56% off estimated retail
    Crewcuts Sweatpants (view 2)Crewcuts Sweatpants (view 1)Flawed Gem
    View Product: Crewcuts Sweatpants

    Crewcuts

    Sweatpants
    Size 7
    $16.99
    78% off estimated retail
    Vans Sweatpants (view 2)Vans Sweatpants (view 1)
    View Product: Vans Sweatpants

    Vans

    Sweatpants
    Size Medium kids
    $20.99
    53% off estimated retail
    Head Active Pants (view 2)Head Active Pants (view 1)
    View Product: Head Active Pants

    Head

    Active Pants
    Size Large youth
    Nike Sweatpants (view 2)Nike Sweatpants (view 1)
    View Product: Nike Sweatpants

    Nike

    Sweatpants
    Size X-Large kids
    Nike Sweatpants (view 2)Nike Sweatpants (view 1)
    View Product: Nike Sweatpants

    Nike

    Sweatpants
    Size Medium kids
    Adidas Active Pants (view 2)Adidas Active Pants (view 1)
    View Product: Adidas Active Pants

    Adidas

    Active Pants
    Size Medium kids
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