Maximum impact, unlined underwire sports bra Built for high-impact activities such as Running Encapsulated cups support each breast individually Molded double-layer cups with soft terry cloth lining Breathable high performance net wings Comfort front straps, back adjustable stretch straps Moisture-wicking stretch polyester blend Hook count: 3-hook = 30B-38B, 30C-36C, 30D-34D, 30E-32E, 30F 4-hook = 40B, 38-40C, 36-40D, 34-40E, 32-40F, 30-40G, 30H-38 Content: 45% Polyester, 40% Nylon, 10% Polyurethane, 5% Elastane. Country of Origin: Imported