Anita Women's Momentum Underwire Sport Bra 45% Polyester, 40% Polyamide, 10% Polyurethane, 5% Lycra Imported Hook and Eye closure Hand Wash Seamless cupped shape ergoline underwiring for best fit 30B,C, has 3 hooks, 32-42 B,C has 3 hooks, 30 D-H has 4 hooks Breathable net back with moisture wicking inside cup