The Saturn Flex Back Office Chair features a unique hexagonal backrest made from thermoplastic elastomers that are designed to flex and move with the user to provide firm, continuous support while allowing for improved air flow that results in 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.