Action Sportbra (SJ 1602) is a Sportjock bra that gives you natural, form-fitting support that makes you look and feel your active best. The Original Powerband system provides 7 layers of comfortable support which will not ride up and rub. Racer back with keyhole design to allow ventilation, and with Double-layer construction,the inner layer wicks away perspiration keeping the garment dryer. The Action range is designed to fit A,B & C cups.