Compression fit for bolstered muscle support and increased circulation resulting in higher efficiency output and increased stamina. Durable, abrasion-resistant, full-coverage protection throughout any game or workout. 30+ UPF protects your skin from the sun's harmful rays and inhibits premature aging. Armour®Stretch improves mobility and accelerates dry time with lightweight fabrics built in a 4-way stretch. 81% Polyester / 19% Elastene.