Craft Sportswear Women's Glow High Visibility Bike Cycling Running Singlet Tank Top: dryfit/cool/lightweight/protection/sun/athletic/athleisure/quick/wicking/fitness/workout/performance/exercise/trail 94% Polyester, 6% Elastane Imported Six-channel fiber construction pulls perspiration vapor off the body to keep you cool Ergonomic design for perfect riding-position fit Soft, elastic fabric for optimal fit and comfort Silicone gripper at back keeps the singlet in place Hole in back pocket for headset wire