The Saturn Flex Back Office Chair features a 4-way stretch mesh backrest that provides responsive, multi-directional support for your lumbar. The soft nature of the material envelops you like a hammock providing the right amount of support for all-day comfort. The seat is upholstered in a neutral gray fabric that blends well into almost any decor. Additional features include synchro-tilt control that reclines the back at a higher ration than the seat for proper back alignment, height and width-adjustable arms for shoulder and upper body support, a waterfall seat edge that promotes better leg circulation, a 360-degree swivel and pneumatic height adjustable seat, tilt-tension controls the rate and ease of reclining, a tilt lock mechanism and a seat glide that accommodates users of all leg lengths and slides forward when the back flexes to maintain a natural posture. This modern office chair's frame and five star base are made from durable plastic and supports up to 300 lbs. Meets or exceeds ANSI/BIFMA and ITSA performance standards.