Womens Under Armour Heat Gear Performance Sports Bra (Size:S) 80% nylon 100% authentic Under Armour merchandise, satisfaction guaranteed. High quality and machine washable fabric: 80% nylon 20% elastane - Soft, moisture-wicking stretch fabric for maximum comfort throughout the workout or workday. Logo printed on the front and back High motion control; Base band wicks moisture for comfort Wider cushioned top straps for added comfort; Clean finish for abrasion free fit