|Duofold Mens Mid-Weight Ankle Length Thermal Bottom KMW2 fiber content is 60% Cotton / 40% polyester bi-ply jersey. Duofold Mens Mid-Weight Ankle Length Thermal Bottom Duofold Thermals are a basic essential for your everyday warmth in cool weather. Each style offers a two-layer protection barrier, exceptional moisture management and softness for superior comfort. Whether you are relaxing at home or watching your fa. Duofold Mens KMW2 comes with 1 Thermal Bottoms per Pack.