VIRUS Men's Energy Series Recovery and Endurance Long Sleeve Compression Top 82% Nylon, 18% Spandex Imported UPF 50 offers great protection from harmful UV rays Bioceramic fabric engineered for endurance and recovery Compression pattern focuses compression's benefit, allows for range of motion and minimizes core restriction Ultra-wicking fabric construction keeps skin dry and comfortable Ventilated V-neck design adds to airflow and neckline comfort