Bristol Mid Back Task Chair provides a classy, professional touch to any space with its leather-upholstered, ergonomic design. Highly resilient, molded foam with a detailed, upholstered treatment creates optimized comfort and seamless support for your workflow. Black, height-adjustable arms allow you to sit in a relaxed, comfortable position catered to your height preference. Pneumatic-cylinder height adjustment lets you customize height for an enhanced experience. Chair also features an upright lock, center knob tilt adjustment and 360-degree swivel. Five-star base with reinforced inner structure for durability provides smooth mobility. Chair is Greenguard certified to produce low chemical emissions. Maximum weight limit is 250 lb.