Executive High-Back Bonded Leather Chair, Supports Up to 275 lb, Black Seat/Back, Graphite Base coil spring cushioned seat provides long-lasting, mattress-like comfort. Ergonomic side bolsters for added support. Adjustable lumbar support for optimal back positioning. Integrated cushioned leather headrest and padded bonded leather armrests. Five-star base with protective foot zones. Generously cushioned waterfall seat reduces pressure points at the back of the knee. Arm Height From Seat: 6.63"; Arm Type: Padded Loop; Armrest Color: Black; Armrest Material: Bonded Leather; Arms Included: Yes; Asynchronous Control: No; Back Color: Black; Back Height Adjustment: No; Back Height Maximum: 28.94"; Back Surface Material: Bonded Leather; Back Surface Material Family: Bonded Leather; Back Width Maximum: 21.46"; Base/Frame Color: Graphite; Base/Frame Material(s): Nylon; Caster/Glide Details: Five Nylon Casters; Caster/Glide Surface Texture: Hard; Color Family: Black; Distance Between Arms: 21.25"; Dual-Action Tilt: No; Dual-Clutch Posture Control: No; Integral Lumbar Support: Yes; Knee Tilt: No; Multi-Task Control: No; Overall Depth Maximum: 30.51"; Overall Depth Minimum: 30.38"; Overall Height Maximum: 46.46"; Overall Height Minimum: 43.70"; Overall Width Maximum: 28.15"; Pneumatic Seat Height Adjustment: Yes; Posture Lock: No; Recommended Application Area(s): Executive & Management; General Office & Task; Seat Color: Black; Seat Depth Maximum: 17.01"; Seat Glide Mechanism: No; Seat Height Maximum: 22.44"; Seat Height Minimum: 19.69"; Seat Surface Material: Bonded Leather; Seat Surface Material Family: Bonded Leather; Seat Width Maximum: 21.65"; Synchronized Knee Tilt: No; Tilt Tension/Tilt Lock: Yes; Variable Synchro-Tilt: No; Weight Capacity: Supports Up to 275 lb