Nike Hazard Headband - Black Reflective Nike logo on printed side for increased visibility in low-light settings Reversible design for two looks: all-over print reverses to a Nike Running trademark Brushed Dri-Fit fabric helps wick sweat away from skin to keep you dry and comfortable Main body: (88% polyester/12% spandex), a light, moisture wicking spandex plain jersey fabric for breathable warmth and coverage