Two layer brushed fabric combines enhanced thermal protection and moisture transport. Compression fit for bolstered muscle support and increased circulation resulting in higher efficiency output and increased stamina. Anti-Odor Technology prevents the growth of odor causing microbes. 30+ UPF protects your skin from the sun's harmful rays and inhibits premature aging. Embroidered logo on neck. 66% Nylon / 19% Polyester / 15% Elastene.