From long runs to boot camp, this adidas hat has a barely there feel that won't weigh you down. Lightweight fabric with perforated details to move heat and sweat away from you. A hook-and-loop closure provides an adjustable fit. This product has reflective elements for design and decoration reasons only. It is not intended or suitable for the use as Personal Protective Equipment PPE (e.g. to protect by enhanced visibility) and would not meet mandatory PPE standards