The Bryce High Back Executive Office Chair has a wide variety of ergonomic features with an ultra modern style that makes it an ideal choice for all-day use in any contemporary office setting. It has a black ventilated mesh backrest, a padded black mesh seat, padded flip-up arms and an adjustable head rest for added comfort. The height is adjustable with a pneumatic lift and the seat swivels 360 degrees. The seat has a waterfall edge to reduce leg pressure and promote healthy blood flow and built-in lumbar support in the backrest relieves lower back tension. This modern office chair has a nylon base with dual-wheel casters and chrome plated accents. Other features include a tilt tension adjustment knob for setting the rock or recline force, locking tilt lever and CA117 fire retardant foam for safety. Designed for commercial or residential use.