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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.
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2,166 items
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View Product: Gap Fit Athletic Shorts
Gap Fit
Athletic Shorts
Size X-Small youth
$9.99 $7.49 25% off with code THRIFT25
63% off estimated retailView Product: Colosseum Athletics Pullover Hoodie
Colosseum Athletics
Pullover Hoodie
Size 12
$14.99 $11.24 25% off with code THRIFT25
65% off estimated retailView Product: Under Armour Athletic Shorts
Under Armour
Athletic Shorts
Size X-Small youth
$13.99 $10.49 25% off with code THRIFT25
48% off estimated retailView Product: Nike Athletic Shorts
Nike
Athletic Shorts
Size Medium infants
$9.99 $7.49 25% off with code THRIFT25
63% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size Large youth
$26.99 $20.24 25% off with code THRIFT25
57% off estimated retailView Product: Under Armour Athletic Shorts
Under Armour
Athletic Shorts
Size Medium infants
$11.99 $8.99 25% off with code THRIFT25
33% 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: Gap Fit Zip Up Hoodie
Gap Fit
Zip Up Hoodie
Size Small infants
$12.99 $9.74 25% off with code THRIFT25
63% off estimated retailView Product: Champion Pullover Hoodie
Champion
Pullover Hoodie
Size Medium infants
$7.99 $5.99 25% off with code THRIFT25
46% off estimated retailView Product: Colosseum Athletics Pullover Hoodie
Colosseum Athletics
Pullover Hoodie
Size X-Small youth
$13.99 $10.49 25% off with code THRIFT25
68% off estimated retailView Product: Adidas Athletic Shorts
Adidas
Athletic Shorts
Size Medium infants
$9.99 $7.49 25% off with code THRIFT25
44% off estimated retailView Product: Adidas Active T-Shirt
Adidas
Active T-Shirt
Size Small infants
$8.99 $6.74 25% off with code THRIFT25
66% off estimated retailView Product: Abercrombie & Fitch Pullover Hoodie
Abercrombie & Fitch
Pullover Hoodie
Size Small infants
$15.99 $11.99 25% off with code THRIFT25
63% off estimated retailView Product: Adidas Athletic Shorts
Adidas
Athletic Shorts
Size Medium infants
$8.99 $6.74 25% off with code THRIFT25
50% off estimated retailView Product: Air Jordan Active T-Shirt
Air Jordan
Active T-Shirt
Size Medium infants
$15.99 $11.99 25% off with code THRIFT25
63% off estimated retailView Product: Nike Athletic Shorts
Nike
Athletic Shorts
Size X-Small youth
$12.99 $9.74 25% off with code THRIFT25
51% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Small kids
$16.99 $12.74 25% off with code THRIFT25
50% off estimated retailView Product: Hurley Pullover Hoodie
Hurley
Pullover Hoodie
Size X-Large youth
$19.99 $14.99 25% off with code THRIFT25
69% off estimated retailView Product: Edgehill Collection Fleece Pants
Edgehill Collection
Fleece Pants
Size 3 mo
$11.99 $8.99 25% off with code THRIFT25
55% off estimated retailView Product: Nike Athletic Shorts
Nike
Athletic Shorts
Size Large infants
$11.99 $8.99 25% off with code THRIFT25
55% off estimated retailView Product: Nike Athletic Shorts
Nike
Athletic Shorts
Size X-Small youth
$10.99 $8.24 25% off with code THRIFT25
59% off estimated retailView Product: Primary Clothing Zip Up Hoodie
Primary Clothing
Zip Up Hoodie
Size 3-6 mo
$11.99 $8.99 25% off with code THRIFT25
66% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Small youth
$19.99 $14.99 25% off with code THRIFT25
51% off estimated retailView Product: Hanna Andersson Zip Up Hoodie
Hanna Andersson
Zip Up Hoodie
Size 3-6 mo
$18.99 $14.24 25% off with code THRIFT25
60% off estimated retailView Product: Hanna Andersson Active Pants
Hanna Andersson
Active Pants
Size 3-6 mo
$16.99 $12.74 25% off with code THRIFT25
43% off estimated retailView Product: Hanna Andersson Sweatpants
Hanna Andersson
Sweatpants
Size 3-6 mo
$16.99 $12.74 25% off with code THRIFT25
43% off estimated retailView Product: Active by Old Navy Athletic Shorts
Active by Old Navy
Athletic Shorts
Size 10
$9.99 $7.49 25% off with code THRIFT25
28% off estimated retailView Product: Beleaf Active T-Shirt
Beleaf
Active T-Shirt
Size Medium youth
$18.99 $14.24 25% off with code THRIFT25
61% off estimated retailView Product: European Culture Zip Up Hoodie
European Culture
Zip Up Hoodie
Size 12 mo
$19.99 $14.99 25% off with code THRIFT25
65% 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: WESC Pullover Hoodie
WESC
Pullover Hoodie
Size Small infants
$11.99 $8.99 25% off with code THRIFT25
66% off estimated retailView Product: Juicy Couture Zip Up Hoodie
Juicy Couture
Zip Up Hoodie
Size Large infants
$21.99 $16.49 25% off with code THRIFT25
74% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Large youth
$17.99 $13.49 25% off with code THRIFT25
56% off estimated retailView Product: TUFF GUYS STREET WEAR Zip Up Hoodie
TUFF GUYS STREET WEAR
Zip Up Hoodie
Size 4T
$10.99 $8.24 25% off with code THRIFT25
38% 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: C9 By Champion Track Pants
C9 By Champion
Track Pants
Size Medium infants
$7.99 $5.99 25% off with code THRIFT25
27% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Small youth
$19.99 $14.99 25% off with code THRIFT25
51% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Small youth
$16.99 $12.74 25% off with code THRIFT25
58% off estimated retailView Product: Legendary Whitetails Pullover Hoodie
Legendary Whitetails
Pullover Hoodie
Size Small youth
$8.99 $6.74 25% off with code THRIFT25
59% off estimated retailView Product: Under Armour Track Jacket
Under Armour
Track Jacket
Size Small youth
$16.99 $12.74 25% off with code THRIFT25
58% 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 Pullover Hoodie
Nike
Pullover Hoodie
Size Large infants
$24.99 $18.74 25% off with code THRIFT25
30% off estimated retailView Product: Colosseum Athletics Pullover Hoodie
Colosseum Athletics
Pullover Hoodie
Size 12
$16.99 $12.74 25% off with code THRIFT25
61% off estimated retailView Product: Nike Athletic Shorts
Nike
Athletic Shorts
Size Large infants
$12.99 $9.74 25% off with code THRIFT25
51% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size Small youth
$22.99 $17.24 25% off with code THRIFT25
58% off estimated retailView Product: Old Navy Track Pants
Old Navy
Track Pants
Size Large infants
$10.99 $8.24 25% off with code THRIFT25
31% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Small youth
$19.99 $14.99 25% off with code THRIFT25
51% off estimated retailView Product: Pro Edge by Knights Apparel Active T-Shirt
Pro Edge by Knights Apparel
Active T-Shirt
Size Small kids
$10.99 $8.24 25% off with code THRIFT25
59% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size X-Large youth
$17.99 $13.49 25% off with code THRIFT25
56% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Large youth
$17.99 $13.49 25% off with code THRIFT25
56% off estimated retailView Product: Athletech Track Pants
Athletech
Track Pants
Size Small infants
$5.99 $4.49 25% off with code THRIFT25
45% off estimated retailView Product: Adidas Athletic Shorts
Adidas
Athletic Shorts
Size Medium kids
$13.99 $10.49 25% off with code THRIFT25
48% off estimated retailView Product: Tony Hawk Zip Up Hoodie
Tony Hawk
Zip Up Hoodie
Size X-Large youth
$15.99 $11.99 25% off with code THRIFT25
51% off estimated retailView Product: Assorted Brands Athletic Shorts
Assorted Brands
Athletic Shorts
Size Small kids
$7.99 $5.99 25% off with code THRIFT25
55% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Small infants
$12.99 $9.74 25% off with code THRIFT25
51% off estimated retailView Product: New Balance Active T-Shirt
New Balance
Active T-Shirt
Size Small youth
$11.99 $8.99 25% off with code THRIFT25
63% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size Medium infants
$14.99 $11.24 25% off with code THRIFT25
58% off estimated retailView Product: Tek Gear Athletic Shorts
Tek Gear
Athletic Shorts
Size Large infants
$8.99 $6.74 25% off with code THRIFT25
18% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Medium youth
$17.99 $13.49 25% off with code THRIFT25
56% 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: Gap Fit Active T-Shirt
Gap Fit
Active T-Shirt
Size X-Large kids
$18.99 $14.24 25% off with code THRIFT25
53% 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: Columbia Track Pants
Columbia
Track Pants
Size Small infants
$10.99 $8.24 25% off with code THRIFT25
50% off estimated retailView Product: Tek Gear Athletic Shorts
Tek Gear
Athletic Shorts
Size Medium infants
$7.99 $5.99 25% off with code THRIFT25
27% off estimated retail