92% Polyester, 8% Spandex Imported Pull On closure Hand Wash Only MISSKY Thermal underwear has a layer of fine velvet on the surface, which is not only skin-friendly but also very warm, suitable for close-fitting long johns. These women's long johns are warm, comfortable and perfect to wear at home as a thermal pajama set. You can also wear them as cold weather base underwear for winter outdoor sports: skiing, hiking, camping, snowboarding. Designed for a snug fit and great stretch, this premium garment will lift and shape the areas where it is needed. You'll love the feminine cut of this women's long lingerie. Please pay attention to the sizing information on the product page and feedback from our customers to ensure an accurate fit.