The Buff CoolNet UV Reflective Multifunctional Headwear features 360º high-visual reflective pattern, is 95% recycled - engineered from REPREVE performance microfiber, HeiQ cooling technology, Polygiene odor control and 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 and can be worn 12 different ways - from beanie to balaclava, face cover to headband.