Stay warm and comfortable all day long by layering your work clothes over Force sweat-wicking thermals. Carhartt Men's Force Heavyweight Stretch Base Layer Pants were designed with the harshest cold weather conditions in mind. Our heaviest weight, 4-way stretch base layer bottom has a smooth outer polyester blend fabric with a brushed fleece inside, a contoured front with fly, and a logo below the waistband. Designed to wear under pants with paneling to support breathability and made with Force and FastDry fabric technologies to wick sweat and dry fast, this men's base layer bottom helps you stay comfortable so you can focus on getting the job done. For a base layer set, pair with UH0266-M-Carhartt Men's Force Heavyweight Stretch Base Layer Crewneck (no Pocket) top. Model UH0268-M.