Since 1889, Carhartt has made durable workwear you can count on as you tackle the toughest jobs. This men's heavyweight thermal crew is made up of polyester and wool for easy-wearing warmth and comfort.

• 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
• Style MBL131