Trending Categories
Trending Brands
Cater to your boys' busy lifestyles with affordable activewear from thredUP. Enjoy steep savings with prices up to 90% off estimated retail when you shop our extensive collection of hoodies, tops, shorts, and pants.
113 items
Sort by:
View Product: Cabela's Active Pants
Cabela's
Active Pants
Size Small youth
$13.99 $10.49 25% off with code THRIFT25
36% off estimated retailView Product: Under Armour Active Pants
Under Armour
Active Pants
Size Large kids
$21.99 $16.49 25% off with code THRIFT25
51% off estimated retailView Product: Lands' End Snow Pants With Bib
Lands' End
Snow Pants With Bib
Size 14
$27.99 $20.99 25% off with code THRIFT25
52% off estimated retailView Product: Columbia Snow Pants With Bib
Columbia
Snow Pants With Bib
Size X-Large youth
$30.99 $23.24 25% off with code THRIFT25
63% off estimated retailView Product: Lands' End Snow Pants With Bib
Lands' End
Snow Pants With Bib
Size 10
$23.99 $17.99 25% off with code THRIFT25
59% off estimated retailView Product: 32 Degrees Active T-Shirt
32 Degrees
Active T-Shirt
Size Small kids
$15.99 $11.99 25% off with code THRIFT25
40% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Large youth
$16.99 $12.74 25% off with code THRIFT25
58% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Medium youth
$19.99 $14.99 25% off with code THRIFT25
51% off estimated retailView Product: Columbia Active Pants
Columbia
Active Pants
Size X-Small kids
$10.99 $8.24 25% off with code THRIFT25
38% off estimated retailView Product: L.L.Bean One Piece Snowsuit
L.L.Bean
One Piece Snowsuit
Size 12-18 mo
$23.99 $17.99 25% off with code THRIFT25
45% off estimated retailView Product: Columbia Snow Pants With Bib
Columbia
Snow Pants With Bib
Size X-Small kids
$26.99 $20.24 25% off with code THRIFT25
50% off estimated retailView Product: Hanna Andersson Snow Pants With Bib
Hanna Andersson
Snow Pants With Bib
Size 80 cm
$35.99 $26.99 25% off with code THRIFT25
50% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Large youth
$20.99 $15.74 25% off with code THRIFT25
48% off estimated retailView Product: The North Face Snow Pants
The North Face
Snow Pants
Size X-Small kids
$45.99 $34.49 25% off with code THRIFT25
57% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size X-Large youth
$16.99 $12.74 25% off with code THRIFT25
58% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size X-Large youth
$19.99 $14.99 25% off with code THRIFT25
51% off estimated retailView Product: Janie and Jack Zip Up Hoodie
Janie and Jack
Zip Up Hoodie
Size 6-12 mo
$5.99 $4.49 25% off with code THRIFT25
83% off estimated retailView Product: Columbia Snow Pants With Bib
Columbia
Snow Pants With Bib
Size X-Small youth
$25.99 $19.49 25% off with code THRIFT25
60% off estimated retailView Product: Columbia Snow Pants With Bib
Columbia
Snow Pants With Bib
Size X-Small kids
$23.99 $17.99 25% off with code THRIFT25
72% off estimated retailView Product: Under Armour Athletic Shorts
Under Armour
Athletic Shorts
Size X-Small youth
$12.99 $9.74 25% off with code THRIFT25
51% off estimated retailView Product: Athleta Athleta Girl Diamond In The Cuff Capri
Athleta
Athleta Girl Diamond In The Cuff Capri
Size 12
$14.99 $11.24 25% off with code THRIFT25
54% off estimated retailView Product: Cherokee Snow Pants With Bib
Cherokee
Snow Pants With Bib
Size Large youth
$15.99 $11.99 25% off with code THRIFT25
51% off estimated retailView Product: Baby Gap One Piece Snowsuit
Baby Gap
One Piece Snowsuit
Size 0-3 mo
$33.99 $25.49 25% off with code THRIFT25
63% off estimated retailView Product: Assorted Brands Snow Pants
Assorted Brands
Snow Pants
Size Medium youth
$25.99 $19.49 25% off with code THRIFT25
60% off estimated retailView Product: Under Armour Athletic Shorts
Under Armour
Athletic Shorts
Size 6-9 mo
$14.99 $11.24 25% off with code THRIFT25
16% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Small youth
$17.99 $13.49 25% off with code THRIFT25
56% off estimated retailView Product: Lands' End Snow Pants With Bib
Lands' End
Snow Pants With Bib
Size 14
$23.99 $17.99 25% off with code THRIFT25
59% off estimated retailView Product: Xray Jeans Pullover Hoodie
Xray Jeans
Pullover Hoodie
Size X-Large youth
$20.99 $15.74 25% off with code THRIFT25
61% off estimated retailView Product: Nike Active T-Shirt
Nike
Active T-Shirt
Size Medium infants
$11.99 $8.99 25% off with code THRIFT25
55% off estimated retailView Product: Nike Active T-Shirt
Nike
Active T-Shirt
Size Medium infants
$12.99 $9.74 25% off with code THRIFT25
51% off estimated retailView Product: Lands' End Track Jacket
Lands' End
Track Jacket
Size X-Small kids
$8.99 $6.74 25% off with code THRIFT25
66% off estimated retailView Product: Asics Athletic Shorts
Asics
Athletic Shorts
Size Small infants
$7.99 $5.99 25% off with code THRIFT25
63% off estimated retailView Product: O'Neill Active T-Shirt
O'Neill
Active T-Shirt
Size X-Small kids
$10.99 $8.24 25% off with code THRIFT25
59% off estimated retailView Product: Pearl Izumi Track Pants
Pearl Izumi
Track Pants
Size Medium infants
$10.99 $8.24 25% off with code THRIFT25
66% off estimated retailView Product: Winning Goal Athletic Shorts
Winning Goal
Athletic Shorts
Size Small youth
$7.99 $5.99 25% off with code THRIFT25
50% off estimated retailView Product: The Children's Place Track Pants
The Children's Place
Track Pants
Size 12 mo
$7.99 $5.99 25% off with code THRIFT25
50% off estimated retailView Product: Essential Gear Athletic Shorts
Essential Gear
Athletic Shorts
Size X-Small youth
$8.99 $6.74 25% off with code THRIFT25
18% off estimated retailView Product: The Children's Place Outlet Track Pants
The Children's Place Outlet
Track Pants
Size 12 mo
$7.99 $5.99 25% off with code THRIFT25
20% off estimated retailView Product: The Children's Place Active Pants
The Children's Place
Active Pants
Size 6-9 mo
$7.99 $5.99 25% off with code THRIFT25
60% off estimated retailView Product: Arizona Jean Company Track Pants
Arizona Jean Company
Track Pants
Size 18 mo
$7.99 $5.99 25% off with code THRIFT25
20% off estimated retailView Product: The Children's Place Active Pants
The Children's Place
Active Pants
Size 12 mo
$6.99 $5.24 25% off with code THRIFT25
65% off estimated retail