When the mercury hits the bottom of the outdoor thermometer with a clunk, count on the Carhartt® Base Force® Heavyweight Bottom for Men to keep you warm in the brutal cold. This heavyweight Force base layer is made of thick, 7.7-oz. 95% polyester/5% spandex to hold and retain your body heat. Equipped with FastDry® technology for moisture-wicking, quick-evaporating performance to keep you dry and comfortable while you work. Plus, Rugged Flex® stretch technology delivers a give to the fabric for freedom of movement. An odor-fighting treatment keeps you feeling fresh for longer. Strategic seam placement eliminates uncomfortable chafing. For easy-wearing comfort, the Carhartt Base Force Heavyweight men's bottoms also features smooth flatlock seams, concealed Y-split waistband, and contoured front. Machine washable. Imported. Manufacturer style #: MBL112. 7.7-oz. 95% polyester/5% spandex Heavyweight layer maintains warmth in the brutal cold FastDry for moisture-wicking performance Rugged Flex fabric adds ease of movement Odor-fighting treatment Smooth flatlock seams Strategic seam placement Concealed Y-split waistband Contoured front