The women's long sleeve underwear set(46.5% Bamboo Viscose, 46.5% Acrylic, 7% Spandex) is lightweight and ultra-soft to become second skin to fit and warm you. With great moisture-wicking property, while at home or at work, our womens long johns set will keep you dry and odor free. 4 way stretch fits snugly against your skin and allows you to move freely. They can be worn under clothes as a base layer for maximum warmth, comfort and mobility. Thermal wear is one of those warm familiar products that is the perfect Christmas, Birthday or Mother's Day gift for your mom, wife, daughter, or friend. Suitable for multiple occasions - Loungewear/ Outdoor/ Skiing/ Hiking.