Compression: Ultra-tight, second-skin fit for a locked-in feel Best for A to C cups Delivers strategic support, tailored for medium-impact activities like cycling, weight training and boxing Soft, breathable cups provide extra structure & coverage Removable cups have helpful R & L arrows to easily put back in Crossover straps with feminine keyhole detail Updated elastic band feels super-smooth and soft Super-smooth, double-layer HeatGear fabric delivers superior next-to-skin feel Material wicks sweat and dries quickly 4-way stretch construction moves better in every direction Made for mid-impact support, Under Armour's Crossback Mid Sports Bra allows you to stay fit and focused. Double-layer HeatGear fabric is soft and smooth, delivering a next-to-skin feel and long-lasting comfort, while the Signature Moisture Transport System wicks away sweat. Crossover straps at the back add a feminine keyhole detail and the signature jacquard elastic band keeps you in place as you keep fit. This sports bra is best suited for A to C cups.