You are looking for a good sports bra for big cup sizes? The Extreme Control Plus sports bra, which was developed specifically for big cup sizes up to a K cup is just what you are looking for. The model comes with all the features you expect from extreme control and adds a few nifty tech designs for good measure: The five-part cups offer plenty of cup depth and a firm fit. There are no uncomfortable seams anywhere on the skin, special ventilation zones, a functional, doubled-up shoulder.