Free up your arms and show off your guns with the Under Armour HeatGear Armour Sleeveless Shirt for Men. Equipped with HeatGear fabric, this men's athletic shirt feels cool and light against your skin, and its moisture-wicking, quick-drying properties keep you dry during hard-hitting training sessions. Mesh panels at the back and underarms deliver airflow while you move. Anti-odor treatment keeps this shirt fresh and free of unwanted odors. Ergonomic design keeps seams away from high-wear areas for extra durability. This Under Armour men's shirt is crafted with a compression fit for a locked-in, second-skin feel. Body is made of 84% polyester/16% elastane, and mesh panels are made of 92% polyester/8% elastane. Machine wash. Imported. Manufacturer style #: 1361522. Body: 84% polyester/16% elastane Mesh panels: 92% polyester/8% elastane HeatGear fabric adds moisture-wicking, quick-drying performance Feels cools, dry, and light against your skin Compression fit adds a locked-in, second-skin feel Mesh airflow panels at the back and underarms Anti-odor treatment Ergonomic seams