BUFF CoolNet UV Half is half the length of the CoolNet UV Multifunctional Neckwear and offers style and sun protection without weighing you down. The CoolNet UV Half is 95% recycled - engineered with REPREVE performance microfiber, HeiQ cooling technology, Polygiene odor control and has a 4-Way, seamless, ULTRA STRETCH fabric construction and block UV rays on covered areas to make outdoor sports more enjoyable.