thredUP LogothredUP | The Largest Online Consignment & Thrift StorethredUP
Magnifying glassZoom on item
HeartHeart icon
AccountLink to the thredUP account details
0
CartLink to your thredUP cart
Check out
439 items·
Sort by:
Recently DiscountedChevronNavigation chevron icon
Filtering byBoys: activewear
Gap Kids Size 12
Price Drop
View Product: Gap Kids Size 12

Gap Kids

Size 12
$16.99 $50

$10.19 40% off with

Adidas Size 7
Price Drop
View Product: Adidas Size 7

Adidas

Size 7
$8.99 $38

$6.29 30% off with

Under Armour Size 6
View Product: Under Armour Size 6

Under Armour

Size 6
$14.99 $38

$10.49 30% off with

Gap Kids Size Large kids
Price Drop
View Product: Gap Kids Size Large kids

Gap Kids

Size Large kids
$15.99 $50

$9.59 40% off with

Colosseum Athletics Size 8
View Product: Colosseum Athletics Size 8

Colosseum Athletics

Size 8
$7.99 $31

$5.59 30% off with

C9 By Champion Size 8
Price Drop
View Product: C9 By Champion Size 8

C9 By Champion

Size 8
$9.99 $15

$6.99 30% off with

Puma Size Large youth
View Product: Puma Size Large youth

Puma

Size Large youth
$9.99 $31

$6.99 30% off with

Crewcuts Size 6
Price Drop
View Product: Crewcuts Size 6

Crewcuts

Size 6
$10.99 $46

$7.69 30% off with

Fila Sport Size 10
View Product: Fila Sport Size 10

Fila Sport

Size 10
$10.99 $38

$7.69 30% off with

Under Armour Size 4
View Product: Under Armour Size 4

Under Armour

Size 4
$9.99 $32

$6.99 30% off with

Coogi Size 6-9 mo
Price Drop
View Product: Coogi Size 6-9 mo

Coogi

Size 6-9 mo
$26.99 $125

$13.49 50% off with

AND1 Size X-Large youth
Price Drop
View Product: AND1 Size X-Large youth

AND1

Size X-Large youth
$9.99 $31

$5.99 40% off with

Under Armour Size Large youth
View Product: Under Armour Size Large youth

Under Armour

Size Large youth
$11.99 $38

$8.39 30% off with

Crewcuts Size 8
Price Drop
View Product: Crewcuts Size 8

Crewcuts

Size 8
$9.99 $46

$5.99 40% off with

Adidas Size 24 mo
Price Drop
View Product: Adidas Size 24 mo

Adidas

Size 24 mo
$6.99 $26

$4.19 40% off with

Puma Size 12-18 mo
Price Drop
View Product: Puma Size 12-18 mo

Puma

Size 12-18 mo
$6.99 $20

$4.19 40% off with

Coogi Size 6-9 mo
Price Drop
View Product: Coogi Size 6-9 mo

Coogi

Size 6-9 mo
$26.99 $125

$13.49 50% off with

Carter's Size 6
Price Drop
View Product: Carter's Size 6

Carter's

Size 6
$7.99 $31

$4.79 40% off with

Spyder Size 10
Price Drop
View Product: Spyder Size 10

Spyder

Size 10
$18.99 $77

$11.39 40% off with

Adidas Size 4
Price Drop
View Product: Adidas Size 4

Adidas

Size 4
$8.99 $32

$5.39 40% off with

Puma Size 8
Price Drop
View Product: Puma Size 8

Puma

Size 8
$8.99 $31

$4.49 50% off with

Hanna Andersson Size 100 cm
View Product: Hanna Andersson Size 100 cm

Hanna Andersson

Size 100 cm
$16.99 $40

$11.89 30% off with

Adidas Size 3T
View Product: Adidas Size 3T

Adidas

Size 3T
$9.99 $32

$6.99 30% off with

Athleta Size X-Large youth
Price Drop
View Product: Athleta Size X-Large youth

Athleta

Size X-Large youth
$13.99 $46

$9.79 30% off with

Nike Size 8
Price Drop
View Product: Nike Size 8

Nike

Size 8
$12.99 $38

$7.79 40% off with

Assorted Brands Size 8
View Product: Assorted Brands Size 8

Assorted Brands

Size 8
$9.99 $31

$6.99 30% off with

Nike Size 4
View Product: Nike Size 4

Nike

Size 4
$9.99 $32

$6.99 30% off with

Xersion Size 8
Price Drop
View Product: Xersion Size 8

Xersion

Size 8
$9.99 $23

$5.99 40% off with

Nike Size 6
Price Drop
View Product: Nike Size 6

Nike

Size 6
$8.99 $38

$5.39 40% off with

Nike Size Large youth
View Product: Nike Size Large youth

Nike

Size Large youth
$13.99 $38

$9.79 30% off with

Tucker + Tate Size 6
View Product: Tucker + Tate Size 6

Tucker + Tate

Size 6
$11.99 $38

$8.39 30% off with

New Balance Size 4
Rare Find
View Product: New Balance Size 4

New Balance

Size 4
$9.99 $38

$6.99 30% off with

Assorted Brands Size 8
Price Drop
View Product: Assorted Brands Size 8

Assorted Brands

Size 8
$5.99 $31

$2.99 50% off with

Under Armour Size Large youth
View Product: Under Armour Size Large youth

Under Armour

Size Large youth
$15.99 $38

$11.19 30% off with

Asics Size 10
Price Drop
View Product: Asics Size 10

Asics

Size 10
$10.99 $46

$5.49 50% off with

Fila Size 16
Price Drop
View Product: Fila Size 16

Fila

Size 16
$6.99 $38

$4.19 40% off with

Carter's Size 18
Price Drop
View Product: Carter's Size 18

Carter's

Size 18
$10.99 $31

$6.59 40% off with

Gap Fit Size Small youth
View Product: Gap Fit Size Small youth

Gap Fit

Size Small youth
$14.99 $38

$10.49 30% off with

Under Armour Size 6
Price Drop
View Product: Under Armour Size 6

Under Armour

Size 6
$11.99 $38

$8.39 30% off with

Adidas Size X-Small youth
Price Drop
View Product: Adidas Size X-Small youth

Adidas

Size X-Small youth
$29.99 $38

$17.99 40% off with

Tek Gear Size Medium youth
Price Drop
View Product: Tek Gear Size Medium youth

Tek Gear

Size Medium youth
$7.99 $23

$5.59 30% off with

Under Armour Size Large youth
Price Drop
View Product: Under Armour Size Large youth

Under Armour

Size Large youth
$10.99 $38

$6.59 40% off with

Gap Kids Size 12
Price Drop
View Product: Gap Kids Size 12

Gap Kids

Size 12
$11.99 $50

$5.99 50% off with

Gap Kids Size 10
Price Drop
View Product: Gap Kids Size 10

Gap Kids

Size 10
$16.99 $50

$8.49 50% off with

Adidas Size 7
Price Drop
View Product: Adidas Size 7

Adidas

Size 7
$9.99 $38

$6.99 30% off with

Active by Old Navy Size 12
Price Drop
View Product: Active by Old Navy Size 12

Active by Old Navy

Size 12
$9.99 $19

$5.99 40% off with

Nike Size Small kids
View Product: Nike Size Small kids

Nike

Size Small kids
$8.99 $32

$6.29 30% off with

Jordan Size 24 mo
View Product: Jordan Size 24 mo

Jordan

Size 24 mo
$9.99 $31

$6.99 30% off with

Gymgo Size 7
View Product: Gymgo Size 7

Gymgo

Size 7
$8.99 $38

$6.29 30% off with

Tek Gear Size 18
Price Drop
View Product: Tek Gear Size 18

Tek Gear

Size 18
$10.99 $23

$7.69 30% off with

Page of 9