The Buff Coolnet UPF 50 Neck/Head Multitube is designed for hot, sunny days, providing cooling, sun protection, and versatility. Crafted from high-performance microfiber with HeiQ Smart Temp technology, it cools when your skin temperature exceeds 30C and wicks away sweat to keep you dry. It offers UPF50 sun protection and Polygiene anti-odor technology, making it ideal for activities like cycling, hiking, running, or fishing. Its ultra-stretch design ensures a snug fit for most adults and can be worn in various ways, such as a face mask, sweatband, beanie, or neck cooler. Stay protected and cool on any adventure!