The protective garment of the present invention primarily for use as protective athletic equipment includes protective gear for the shoulders, ribs, biceps, forearms, thighs, knees and shins. The protective garment is generally composed of variable pressure pads, air cushions, and/or shields. The variable...http://www.google.co.uk/patents/US4370754?utm_source=gb-gplus-sharePatent US4370754 - Variable pressure pad
