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.