NWT - Warm Essentials by Cuddl Duds Women's Waffle Thermal Leggings Waffle Thermal fabric is a midweight warm layer that is perfect for everyday wear. It is made of extra soft brushed cotton for maximum comfort and warmth. The collection has a base layer fit for effortless layering indoors or out. This legging sits at your natural waist and features ribbed cuffs to keep you warm and cozy. Size: M 60% Cotton 40% Polyester Machine washable