Limited time promotion at Under Armour lets you mix and match 3 PURE STRETCH UNDERWEAR for Women for $30. You can choose from 15 colors and types. Shipping is free over $49. This is the lowest price we could find for 3 of these high end underwear by $6. UA Pure Stretch Cheeky. The smooth, unfinished hem is virtually undetectable under even our tightest UA Compression.