Warm with a fleece lining, and a zipper around the ankles for easy on and off. Size: S Product Description: Convenient leg warmers for temperature adjustment on slightly chilly days. The inside is made of warm, soft-touch fleece material. They fold up small and can be easily carried in a back pocket. The Russell tape at the top of the thigh has been lengthened, making them less likely to slip down. They fit softly and reduce stress from constriction. Three-dimensional shape for excellent fit. The inside is warm with a soft, fleece material.