【Ultra Soft and Comfortable】90% microfiber (polyester ) + 10% spandex blend super skin-touch fabric, smooth,comfort, light weight, durable and breathable, bring warm like live in spring【Flexibility for any Movement】This female thermal underwear adopts the latest Four-Way stretch,gives you flexibility by hugging your body to move, you’ll feel a sense of freedom in all your activities【Sweat Moisture Wicking】The thin lightweight long underwear clothing maintains your body heat by wicking moisture away from your skin; drying quickly and insulating from extreme cold【Comfortable & Durable】Our womens long johns set soft against the skin, its strong seams won’t rip or tear prematurely, offering long life. They fit snug like a second skin for perfect heat retention【Necessary Base layer for Family/Friends】Classic long underwear must be your essential piece in this winter, a perfect basic layer under clothes to meet different fashion. Also can be an ultra-soft pajama set for cold winter nights.