BUFF®Original Multifunctional Headwear is engineered with a 4-Way, seamless, ULTRA STRETCH fabric construction that features UPF 50 protection, and 100% recycled REPREVE®Performance Microfiber. BUFF®Original Multifunctional Headwearis approved and recommended by The Skin Cancer Foundation. Can be worn more than 12 different ways, from a cap to a balaclava to a hair tie, for a personalized style and perfect fit.