body stocking 
noun
A woman’s one-piece undergarment which covers the torso and legs.A clingy body stocking complements a floor-length skirt with a pareo tied at the waist for flair....
- Over a black body stocking she was wearing a red corset, panties, stockings and boots, along with elbow length red gloves.
- Fresh out of drama school, he played the role of the Earthworm in a theatre production of James and the Giant Peach - squirming atop a vast plastic fruit while dressed in a Lycra body stocking.