Maximum Weight Thermals for warmth and comfort. These Thermals by Indera are Waffle knit, Rated for extremely cold temperatures, Tagless, and come with Rib cuffs. The 50/50 blend combines cotton for comfort, and polyester for durability. They are Full cut, comfortable fit with Shrinkage controlled for long lasting shape and size. They come in the Regular and Big Man's sizing as well.