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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.
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View Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Small youth
$15.99 $11.99 25% off with code THANKU
61% off estimated retailView Product: Under Armour Short Sleeve T-Shirt
Under Armour
Short Sleeve T-Shirt
Size X-Small youth
$10.99 $8.79 20% off with code THANKU
59% off estimated retailView Product: Under Armour Fleece Jacket
Under Armour
Fleece Jacket
Size Medium youth
$21.99 $15.39 30% off with code THANKU
60% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Small youth
$12.99 $9.74 25% off with code THANKU
68% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size X-Large youth
$20.99 $13.64 35% off with code THANKU
48% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size X-Large youth
$19.99 $12.99 35% off with code THANKU
51% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Medium youth
$14.99 $10.49 30% off with code THANKU
63% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size X-Large youth
$24.99 $13.74 45% off with code THANKU
54% off estimated retailView Product: Under Armour Short Sleeve T-Shirt
Under Armour
Short Sleeve T-Shirt
Size Large youth
$11.99 $8.39 30% off with code THANKU
55% off estimated retailView Product: Under Armour Short Sleeve T-Shirt
Under Armour
Short Sleeve T-Shirt
Size Large youth
$10.99 $7.69 30% off with code THANKU
59% off estimated retailView Product: Under Armour Short Sleeve T-Shirt
Under Armour
Short Sleeve T-Shirt
Size X-Large youth
$11.99 $7.79 35% off with code THANKU
55% off estimated retailView Product: Under Armour Track Pants
Under Armour
Track Pants
Size Large youth
$17.99 $9.89 45% off with code THANKU
56% off estimated retailView Product: Under Armour Short Sleeve T-Shirt
Under Armour
Short Sleeve T-Shirt
Size Large youth
$11.99 $7.79 35% off with code THANKU
55% off estimated retailView Product: Under Armour Short Sleeve T-Shirt
Under Armour
Short Sleeve T-Shirt
Size Medium youth
$10.99 $7.69 30% off with code THANKU
59% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size X-Large youth
$13.99 $8.39 40% off with code THANKU
65% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Large youth
$12.99 $8.44 35% off with code THANKU
68% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size Small infants
$12.99 $7.79 40% off with code THANKU
63% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Small youth
$12.99 $8.44 35% off with code THANKU
68% off estimated retailView Product: Under Armour Short Sleeve T-Shirt
Under Armour
Short Sleeve T-Shirt
Size X-Large youth
$10.99 $7.69 30% off with code THANKU
59% off estimated retailView Product: Under Armour Short Sleeve T-Shirt
Under Armour
Short Sleeve T-Shirt
Size X-Large youth
$8.99 $6.74 25% off with code THANKU
66% off estimated retailView Product: Under Armour Active T Shirt
Under Armour
Active T Shirt
Size Large youth
$11.99 $7.79 35% off with code THANKU
70% off estimated retailView Product: Under Armour Athletic Shorts
Under Armour
Athletic Shorts
Size Large youth
$10.99 $6.04 45% off with code THANKU
59% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Large youth
$10.99 $7.69 30% off with code THANKU
73% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size X-Large youth
$10.99 $7.14 35% off with code THANKU
73% off estimated retailView Product: Under Armour Active Tank
Under Armour
Active Tank
Size X-Large youth
$10.99 $6.59 40% off with code THANKU
73% off estimated retail