New Balance Women's Nb Power Sports Bra 44% Polyester/44% Polyester/12% Spandex Imported Encapsulation and Compression Support High Impact, High Profile, Powermesh Lining Pull Over Racer-Back Styling Gel Infused Strap Lining For Comfort & Hook/Eye Closure Stabilized Center Frame, Underbust Cradle, Side Frame, and Straps