Tight shorts connected with a rubber hood by a rubber tube.
The hood has a zipper in the back, no eye holes and the connection with the tube is at the place of your mouth.
The tube has several little holes to avoid a vacuum and for breathing.
The hood is one size and the shorts are available in 5 sizes.
Grade of rubber: 12-15 (0,35 mm.)
Click on the picture to view the back.