You can NEVER go wrong with a black jumpsuit! These are running true to size and sooo comfy! The material is 95% polyester and 5% spandex. The lining is 100% polyester. The size small inseam is 32 inches, medium inseam is 34 inches, and large inseam is 31 inches. These have a cute little bow in the front and have a criss cross back!