Moisture-wicking Features: With their transport system, long women wick away sweat fast to keep you dry and light. Delivering a comfortable and chafe-free fit; these women thermal underwear fits smoothly and soft against your skin.1 Set Thermal Innerwear SetPackage IncludesMaterial：polyester fiberThese thermal underwear are lightweight and fit against the skin. They won’t bunch up and to the shape of your body. You can wear them on their own or under another pair of pants for added comfort. No bulkiness means no riding up or pinching.Thermal underwear has good elasticity to keep body temperature.You’ll feel a of freedom in all your activities, whether sports, shopping, or leisure.TLong underwear women are form-fitted to stay in place hese sets combine performance with fashion to give you a more streamlined look. Our 4-way stretch fabric is also non-see-through for peace of mind and comfort.Neck：O-Neck