OF1 Ergonomic Mesh ChairCombines the fundamental engineering of traditional seating with the added luxury you will find in higher end brands. The exception we offer unmatched cost savings! The timeless and elegant style is well suited for any office environment. Arm pads adjust inward outward and upward downward Backrest height adjustment Backrest tilt angle adjustment at 90, 100, and 110 Ratchet back Seat height and tension adjustment Seat slider Mesh back and mesh seat