Built for Ultimate Sun Protection - BUFF^® CoolNet UV ^® Multifunctional Headwear is 95% recycled - engineered with REPREVE^® performance microfiber, HeiQ cooling technology, Polygiene^® odor control and has a 4-Way, seamless, ULTRA STRETCH fabric construction that features UPF 50 sun protection. BUFF^® CoolNet UV ^® Multifunctional Headwear is approved and recommended by The Skin Cancer Foundation. Can be worn 12 different ways - from cap to balaclava, neck gaiter to hair tie - for optimal performance and protection, personalized style, and a perfect fit.