Vinsetto Mesh Office Chair with Headrest, 4D Lumbar Support, Flip-up ArmProduct Overview The Vinsetto Mesh Office Chair with Headrest, 4D Lumbar Support, and Flip up Arms is designed for comfortable, all day seating at a home workstation. It combines a padded seat with a breathable mesh back to help you stay cool during long sessions. The chairs 4D lumbar system moves up, down, forwards and backwards to align with your spine and reduce lower back pressure. The seat height is adjustable from 43 to 51 cm to fit your desk