Bras shouldn't be complicated. They should be comfortable and they should be supportive. So we went straight to the source and asked real women how to make their favorite UA bra even better. And it worked. Product Details: Delivers strategic support, tailored for medium-support activities like cycling, weight training & boxing Classic pullover style with racer back design & keyhole cutout for extra ventilation & easy on/off Soft elastic bottom band with wordmark detail for a stay-put fit HeatGear® fabric delivers superior next-to-skin feel Material wicks sweat & dries really fast 4-way stretch material moves better in every direction Double-lined for coverage, no padding Odor control technology minimizes odor Fabric: 87% Polyester/13% Elastane Product Name: Under Armour HeatGear Armour Mid Branded Sports Bra - Womens - Green/White Under Armour Code: 1383544-308 Option: X-Small, Small, Medium, Large