Boss Deluxe Posture Chair with Adjustable Arms Black, Boss Office Products, Mfr#: B316-BK

thick padded seat and back with built-in lumbar support. Waterfall seat reduces stress to your legs. Back is depth adjustable. Pneumatic seat height adjustment. 5 star nylon base allows smooth movement and stability. Hooded double wheel casters. Available in four fabric colors. With adjustable arms: 24-32"h