A unique keyhole design for added breathability and all the support you need in all the right places. You'll stay incredibly comfortable, no matter what. DNA DNA Product Details UA Compression sports bras deliver strategic support, tailored for medium-impact activities like cycling, weight training & boxing Classic pullover style with racer back design for enhanced range of motion & added keyhole design for extra ventilation Super-soft jacquard elastic band delivers a custom, stay-put fit HeatGear® fabric delivers superior next-to-skin feel Material wicks sweat & dries really fast & light 4-way stretch material moves better in every direction Double-lined for coverage, no padding Specs Specs Product Specifications Style #: 1307196 87% Polyester/13% Elastane Imported Fit & Care Fit & Care Fit & Care Compression: Ultra-tight, second-skin fit. Best for A to C cups Machine wash cold with like colors Do not bleach Tumble dry low Do not iron Do not use softeners Do not dry clean