Garment worn by space travelers for use in low air pressure or outer space environments. The "body" part of a "space suit". Unlike 20th Century suits that are "pressurized" internally by air, THESE suits Fit the wearer "skin tightly" and provide protection by virtue of the inelastic fabric that encloses the body and limbs. Inflatable'Capstan Tubes' Run along the surface of the suit, so as to tighten it further as needed in a low pressure environment. A HELMET with a small air tank and oxygenator is attached to the pressure suit when it is used.
A suit, with helmet attached, which is inflated to provide body pressure and air, worn by the crew of certain spacecraft and aircraft which fly at great altitudes.
A pressure suit is a pressurized suit worn by high-altitude pilots who may fly so high that even breathing pure oxygen at surrounding pressure would not provide enough oxygen for them to function: see hypoxia.