HANES SPORT - Performance. Style. Comfort. Hanes Sport builds on our comfort heritage with innovative technologies to give you the looks that fit your life, your sport, and your style. MODERATE SUPPORT - Compression fabric provides support for medium impact activities. RACERBACK STYLING - For improved range of motion. SMOOTH AND SEAMLESS - This wire-free bra is seamless for chafe-free comfort. KEEP COOL - Cool Comfort fabric wicks away moisture from skin for cool comfort. LOTS OF SPANDEX - This wireless sport bra includes 11% spandex for improved stretch and compression.