Comfortable Men's Thermal Underwear: Expedition weight raschel knit traps and retains body heat; Comfy and soft men's leggings do not shrink excessively after washing Thermal Underwear for Men: Our men's thermal pants are made of 100% combed cotton heavy raschel knit that provides insulating warmth to the body; Rib cuffs provide added protection from cold Versatile Thermals for Men: These men's thermals have a tagless label and are machine washable; Rated for Extreme cold weather and medium activity Warmth in Winter: Indera offers a wide range of the highest quality thermals designed and knit in the USA and assembled in Mexico, with styles striving to provide a product that everyone can be comfortable wearing during winter fun Multi-Size Thermal Underwear: Indera offers long johns for the whole family for outdoor winter fun, ranging from sizes small to 4XL