-6.5 oz. 80% Polyester / 20% Wool -Pull on style -Y-Split waistband -Contoured front adds extra comfort -Heavyweight base layer for warmth -Built in Force technology wicks away sweat and fast dry -Fights odors -Strategic seam placement reduces chafing -Built To Move Rugged Flex stretch technology -Style: MBL121-BLKHTR Carhartt Men's Base Force Heavyweight Poly-Wool Thermal Work Pants