Astronaut John W. Young checks the comfort and mobility of a developmental Space Shuttle pressure garment during a spacesuit demonstration at the Johnson Space Center. The suit was being evaluated by experts and officials at JSC. The JSC-developed Shuttle spacesuit is a two-piece modular design with separate upper and lower torso sections joined by a waist body seal closure instead of the slide fastener used on previous suits. The life support system is integral with the upper torso. Adjustable-fit suit segments will come in small, medium and large to fit Shuttle crew members of both sexes. Capt. Young is the Chief of the Astronaut Office at JSC.