G-suit
/ˈdʒiːˈsjuːt/noun
- a garment with pressurized pouches that are inflatable with air or fluid, worn by fighter pilots and astronauts to enable them to withstand high gravitational forces（战斗机飞行员或宇航员用以抗超重飞行的）重力防护服, 抗超重飞行服。
词源
1940s: from g （symbol of gravity） + SUIT.