This fantastic piece of shapewear from Spanx has fully bonded front panels as well as edge-bonded side panels to create an overall slim look without squeezing or squashing. The carefully sealed neckline and underarms are designed to not irritate the skin. The leg openings are sealed to remain seamfree under clothes, and a opening at the gusset allows ease when nature calls. 57% Spandex, 43% Nylon. Lining: 83% Spandex, 17% Nylon Do not bleach. Do not professionally dry clean. Do not tumble dry. Do not iron. Gentle machine wash in cold. Lay flat to dry.