Clearance! Work4U-LC-ZY005 High Back Support Ergonomic Full Function Luxury Leather Office Chair, Executive Office Chair, Real Leather Seat and Back, Aluminum Base, Black Ergonomic Full functions leather high back home & office chair with pneumatic seat height adjustment and side waist support. Suggest users higher than 5'10 Real leather 4 inch thick seat and back, head and waist cushion with premium fabric upholstery, and waterfall edge to eliminates leg fatigue Adjustable PP armrests provide optional support for your elbows and forearms, help relieve shoulder strain Synchronous Mechanism, 350mm chrome Base, 50mm Nylon Caster, and excellent lumbar support Adjustable Seat Depth, Back Height, Tilt tension control, easy glide castors make for an amazing chair fit for any home or office use