[Four-way stretchy fabric] These long johns for women are made of 95% polyester and 5% spandex blended skin-friendly fabric. The four-way stretchy fabric for a snug-fit, shrinkage control for clothes shape retention. Put on these womens thermal underwear sets to enjoy freedom of movement. [Great heat retention] Our womens thermals top and bottom set have high quality heating fiber to insulate cold air from chilling weather. Ultra warm fleece lining inside the womens long johns thermal sets, which is moisture wicking to preserve your body heat.It makes your more pleasant in cold winter. [Comfy to wear] Our women's thermal underwear in normal thickness avoid bulky feelings in winter, perfect to match different fashion style, giving your more confident.This womens thermal underwear is lightweight and breathable, to be great wear as a single pajama or lounge wear.It is an ideal gift for your beloved, family and friends during Christmas, New year and birthday. [Wide application] Classic black women thermal underwear set must be your essential clothing in wardrobe. These women's thermal underwear sets are suitable for hiking, biking, hunting, climbing, motorcycles, running, snowboard, skiing, camping, jogging. Perfect to wear under the sweater, coat, dress, jeans, hoodies, jackets etc. [Perfect ergonomic design] There is a tagless design on the thermal shirt for women and thermal leggings for women, which makes you more comfortable and without itching skin. Meanwhile, the thermal tops are trim fit to shape your waist curve and reduce bloated look with bulky clothes in winter. SPECIFICATION: 90% polyester+ 10% spandex   PRODUCT FEATURE: -90% polyester & 10% spandex blended, designed to provide a smooth and comfortable foundation under outer clothes. -Breathable fabric absorbs sweat, eliminate source of odor, keeps you dry while maintaining a smooth feeling all day long. -The ribbed elastic waist will stay put no matter how large or small your waist is. Wear these easily under dresses, shorts, skirts, or long tops for a sassy, stylish look. -Amazingly stretchy material provides flexible fit and free movement. Lightweight and will not add stress for daily wear.   FITS FOR ANY OCCASIONS： As a smooth inner layer under skirt or dress As a casual loungewear that stays cool at home As a comfy sleep dress wearing to bed