HEADBAND FEATURES TREADBAND'S "ATHLETIC" PERFORMANCE FABRIC Fabric Feel:Smooth, silky, everyday moisture management polyester wear.  Fabric Tech Specs:Lightweight, mositure-wicking performance fabric blended from polyester and spandex. TreadBand Icon: 3M™ Scotchlite™ Reflective Material that helps to increase visibility while walking or running in bright or low light. TreadGripStrip™ : Patent Pending synthetic rubber with symmetrical patterns that provide balanced and consistent grip on the skin. Lightweight, breathable, performance fabric90% polyester / 10% spandex One Size fits most Machine Washable Moisture-Wicking Quick-drying