OOF Infinity Chair (PremiumFR PU Leather)OOF Infinity Chair was created so that you can stay focused on your work or online games for longer hours without problems such as stiff legs and numbness. Throughout our intensive research and development process, we've closely studied the anatomy of human's skeletomuscular system. which led to our patented Stabyline Technology. Sitting may not seem like an active movement, but it actually involves everything from the body's bones and muscles to