SmilerSmile [Camo] Multi Function Headband with UV Resistance Knitting Material : 100% POLYESTER MICROFIBER Size: 47.5CMx25CM; Thickness: 0.04MM; Appropriate for head circumference 53--62CM Feature: Highly stretchable and comfortable; Seamless; Can be used as a headband, cap, beanie, neck gaiter, wind or dust screen, balaclava, pirate-style cap, scarf or a helmet liner