Men's Coolnet UV+ Multifunctional Headband from Buff offers protection against the sun’s ultraviolet (UV) radiation. Samples of fabrics have been tested for UV protection in accordance with the standard AS/NZS 4399:1996 “Sun protective clothing Evaluation and Classification”, results achieving UPF>50 (98% UV protection). Protection may be lessened if fabric is stretched, wet or old. Innovative fabric designed will cool you down by vaporizing moisture and removing body heat so that you stay cool, dry and comfortable. Designed for improved sustainability, the Headband is using exclusiv Polyester microfiber obtained from clear plastic recycled bottles supplied and certified by Repreve.