Stanfield's Essentials waffle knit thermal long johns underwear is crafted with insulating air pockets to keep you warm, dry, and comfortable. It is ideal for moderate to very cold weather. Elastic waistband Lightweight pull on fly front Flatlock seams that won't bind or chafe Snug fitting 1x1 rib knit cuffs reinforced with spandex Imported Material & Care Cotton, polyester Machine washable