This long-sleeve tech shirt is made of Under Armour's UA tech polyester, which is loose, light, and soft. The UA tech fabric has a moisture-wicking foundation which wicks sweat and dries fast to keep you cool, dry, and comfortable during a long?workout or training session. 100% Polyester UA Tech?fabric. Long sleeves. Round neck. Dropped, shaped hem. Under Armour logo on left chest. Sweat and moisture-wicking. Quick-drying. Anti-odor technology. Lightweight. Loose fit?for complete comfort.. Machine wash. Imported.