West loop women's thermal underwear keeps your body heat from escaping. They provide extra warmth and coziness to make a perfect everyday base-layer. They’ll protect you from the cold for added comfort. While at home or at work, these women's thermal set will keep you dry and odor free. No matter the activity, you’ll stay confident all day. The soft and stretchable fabric on these fit snugly against your skin and will keep you moving freely no matter what your activity is. When it comes to style and comfort, these women's thermals is the ideal base layer to wear throughout your day. Size: S/M 55% Cotton 40%Modal 5% Spandex F02