Executive leather high-back chair features exceptional quality visco-elastic memory foam in the seat cushion that reduces pressure points and responds to contours of the body for lasting comfort over extended-use periods. Functions include tilt, tilt tension, tilt lock, 360-degree swivel and pneumatic seat-height adjustment. Design features 2-1/2" thick urethane foam cushion with 1-1/2" thick visco-elastic foam topper, 2" thick urethane foam cushion over 1/2" thick five-ply plywood on back, fully upholstered outer back and urethane loop arms with steel inner structure. Five-star base has 2" hooded dual-wheel casters. Chair is available in black frame only. Certified by SCS to be in compliance with specific indoor air-quality emission requirements. Meets or exceeds applicable ANSI/BIFMA standards.