thredUP LogothredUP | An Online Consignment & Thrift StorethredUP
Magnifying glassMagnifying glass icon
My thredUPMy thredUP Icon
0
CartLink to your thredUP cart
Check out

Under Armour

ChevronNavigation chevron icon

Under Armour at up to 90% off estimated retail! thredUP has a huge selection of like-new Under Armour girls' clothing. Find Under Armour activewear, tops, and knits and tees at thredUP.

571 items
Under Armour Size Medium youth

View Product: Under Armour Size Medium youth

Under Armour

Size Medium youth
$8.99 $26

$6.29 30% off with

Under Armour Size Small youth

View Product: Under Armour Size Small youth

Under Armour

Size Small youth
$14.99 $38

$11.99 20% off with

Under Armour Size Large youth

View Product: Under Armour Size Large youth

Under Armour

Size Large youth
$13.99 $38

$11.19 20% off with

Under Armour Size Medium youth

View Product: Under Armour Size Medium youth

Under Armour

Size Medium youth
$19.99 $51

$15.99 20% off with

Under Armour Size 3 mo

View Product: Under Armour Size 3 mo

Under Armour

Size 3 mo
$11.99 $26

$9.59 20% off with

Under Armour Size 4

View Product: Under Armour Size 4

Under Armour

Size 4
$12.99 $32

$10.39 20% off with

Under Armour Size 4T

View Product: Under Armour Size 4T

Under Armour

Size 4T
$12.99 $32

$10.39 20% off with

Under Armour Size 24 mo

View Product: Under Armour Size 24 mo

Under Armour

Size 24 mo
$8.99 $17

$7.19 20% off with

Under Armour Size Large youth

View Product: Under Armour Size Large youth

Under Armour

Size Large youth
$19.99 $51

$15.99 20% off with

Under Armour Size 24 mo

View Product: Under Armour Size 24 mo

Under Armour

Size 24 mo
$9.99 $26

$7.99 20% off with

Under Armour Size Medium youth

View Product: Under Armour Size Medium youth

Under Armour

Size Medium youth
$11.99 $38

$9.59 20% off with

Under Armour Size Medium youth

View Product: Under Armour Size Medium youth

Under Armour

Size Medium youth
$12.99 $38

$10.39 20% off with

Under Armour Size 4T

View Product: Under Armour Size 4T

Under Armour

Size 4T
$11.99 $32

$9.59 20% off with

Under Armour Size X-Large youth

View Product: Under Armour Size X-Large youth

Under Armour

Size X-Large youth
$13.99 $38

$11.19 20% off with

Under Armour Size Small youth

View Product: Under Armour Size Small youth

Under Armour

Size Small youth
$12.99 $38

$10.39 20% off with

Under Armour Size X-Large youth

View Product: Under Armour Size X-Large youth

Under Armour

Size X-Large youth
$13.99 $26

$11.19 20% off with

Under Armour Size X-Large tots
Price Drop BadgePrice Drop

View Product: Under Armour Size X-Large tots

Under Armour

Size X-Large tots
$5.99 $32
Under Armour Size 7

View Product: Under Armour Size 7

Under Armour

Size 7
$11.99 $38

$8.39 30% off with

Under Armour Size Small youth

View Product: Under Armour Size Small youth

Under Armour

Size Small youth
$25.99 $38

$18.19 30% off with

Under Armour Size X-Large youth

View Product: Under Armour Size X-Large youth

Under Armour

Size X-Large youth
$14.99 $38

$11.99 20% off with

Under Armour Size X-Large youth

View Product: Under Armour Size X-Large youth

Under Armour

Size X-Large youth
$12.99 $38

$10.39 20% off with

Under Armour Size Large kids

View Product: Under Armour Size Large kids

Under Armour

Size Large kids
$14.99 $38

$11.99 20% off with

Under Armour Size Large youth

View Product: Under Armour Size Large youth

Under Armour

Size Large youth
$12.99 $38

$10.39 20% off with

Under Armour Size 6

View Product: Under Armour Size 6

Under Armour

Size 6
$11.99 $38

$9.59 20% off with

Under Armour Size X-Large youth

View Product: Under Armour Size X-Large youth

Under Armour

Size X-Large youth
$20.99 $51

$16.79 20% off with

Under Armour Size Small youth

View Product: Under Armour Size Small youth

Under Armour

Size Small youth
$14.99 $38

$11.99 20% off with

Under Armour Size Medium youth

View Product: Under Armour Size Medium youth

Under Armour

Size Medium youth
$13.99 $38

$11.19 20% off with

Under Armour Size 16
Price Drop BadgePrice Drop

View Product: Under Armour Size 16

Under Armour

Size 16
$13.99 $51

$8.39 40% off with

Under Armour Size Small youth

View Product: Under Armour Size Small youth

Under Armour

Size Small youth
$10.99 $38

$6.59 40% off with

Under Armour Size Medium youth

View Product: Under Armour Size Medium youth

Under Armour

Size Medium youth
$8.99 $26

$6.29 30% off with

Under Armour Size X-Large youth

View Product: Under Armour Size X-Large youth

Under Armour

Size X-Large youth
$10.99 $38

$6.59 40% off with

Under Armour Size Small kids

View Product: Under Armour Size Small kids

Under Armour

Size Small kids
$9.99 $32

$5.99 40% off with

Under Armour Size Medium youth

View Product: Under Armour Size Medium youth

Under Armour

Size Medium youth
$21.99 $64

$15.39 30% off with

Under Armour Size X-Small youth

View Product: Under Armour Size X-Small youth

Under Armour

Size X-Small youth
$18.99 $38

$15.19 20% off with

Under Armour Size Large kids

View Product: Under Armour Size Large kids

Under Armour

Size Large kids
$9.99 $26

$7.99 20% off with

Under Armour Size Large youth

View Product: Under Armour Size Large youth

Under Armour

Size Large youth
$8.99 $26

$7.19 20% off with

Under Armour Size X-Large youth

View Product: Under Armour Size X-Large youth

Under Armour

Size X-Large youth
$10.99 $26

$8.79 20% off with

Under Armour Size X-Large youth
Price Drop BadgePrice Drop

View Product: Under Armour Size X-Large youth

Under Armour

Size X-Large youth
$14.99 $64

$8.99 40% off with

Under Armour Size Medium youth

View Product: Under Armour Size Medium youth

Under Armour

Size Medium youth
$10.99 $26

$7.69 30% off with

Under Armour Size 4T

View Product: Under Armour Size 4T

Under Armour

Size 4T
$12.99 $32

$10.39 20% off with

Under Armour Size Small youth

View Product: Under Armour Size Small youth

Under Armour

Size Small youth
$15.99 $38

$12.79 20% off with

Under Armour Size X-Large youth

View Product: Under Armour Size X-Large youth

Under Armour

Size X-Large youth
$13.99 $38

$11.19 20% off with

Under Armour Size X-Large youth

View Product: Under Armour Size X-Large youth

Under Armour

Size X-Large youth
$13.99 $38

$11.19 20% off with

Under Armour Size X-Large youth
New With Tags BadgeNew With Tags

View Product: Under Armour Size X-Large youth

Under Armour

Size X-Large youth
$8.99 $21.99

$7.19 20% off with

Under Armour Size X-Small youth
Price Drop BadgePrice Drop

View Product: Under Armour Size X-Small youth

Under Armour

Size X-Small youth
$7.99 $26

$6.39 20% off with

Under Armour Size Small youth
Price Drop BadgePrice Drop

View Product: Under Armour Size Small youth

Under Armour

Size Small youth
$6.99 $26
Under Armour Size 6 1/2
Price Drop BadgePrice Drop

View Product: Under Armour Size 6 1/2

Under Armour

Size 6 1/2
$11.99 $43

$5.99 50% off with

Under Armour Size Large youth
Price Drop BadgePrice Drop

View Product: Under Armour Size Large youth

Under Armour

Size Large youth
$10.99 $38

$6.59 40% off with

Under Armour Size Medium youth

View Product: Under Armour Size Medium youth

Under Armour

Size Medium youth
$11.99 $38

$8.39 30% off with

Under Armour Size Small youth

View Product: Under Armour Size Small youth

Under Armour

Size Small youth
$12.99 $38

$9.09 30% off with