LIGHTWEIGHT SOFT STRETCHY FABRIC - Our signature Premium fabric is lightweight, soft, stretchy, silky and oh-so comfy. It allows legs and clothes to glide without pilling. 95% Poly/5% Spandex, exclusive of trims, cotton gusset. CARE- Machine wash cold, line dry. Once you have slipped on your favorite pair of Shortlettes, you will want to wear them every day and night.