The Caravan® Sports Infinity Zero Gravity Chair Chair elevates the legs and reduces pressure on the back. This position simulates the gravity-free environment astronauts experience in space. The locking mechanism allows for an infinite number of recline positions and a headrest is provided for additional comfort or use as a lumbar support. The Infinity Zero Gravity Chair folds neatly and is easy to transport to the beach, a barbeque, or a game. Sit back and rest easy as the Caravan® Infinity Zero Gravity Chair takes comfort to a new level! *250 lb version also available!