Extravehicular Activity Space Training Suits introduce the trainee to the challenges of EVA locomotion, communications, reduced dexterity and mobility, body temperature and CO2 management, and many other factors. Operating pressures range from 1.0psig to 3.5psig; suits may be liquid- or gas-cooled. Depending on a variety of factors, these suits cost from $2,000 to $5,000.