Description Whether you work on a winter road crew or hot factory floor, this men's half-zip thermal shirt helps you tackle the job in comfort. The heavyweight shirt wicks away sweat, fights odor, and releases stains. It's made of the perfect blend of polyester and wool to give you the range of motion you need while keeping you warm. Features 6.5-ounce, 80% Polyester, 20% Wool Heavyweight, Force® Base Layer Built with Force FastDry® technology to wick sweat and dry fast Built to move with Rugged Flex® stretch technology Fights Odors Smooth Flatlock seams and tagless label for comfort Concealed thumb loop Model height: 6'2"; Chest size: 40.5"; Wearing size M Model No. UM0120-M Country of Origin: Imported