Your noggin is being constantly berated by the sun above. Over time, this could lead to some issues, which is why we are offering the Reflect Cycling Cap. It&';s not a substitution for sunscreen, per say, but it will help combat the harmful effects of ultraviolet rays and shield your eyes from the sun. Brim is designed to effectively shield your eyes. Easily folds into a pocket. Fabric Content: 100% Polyester