Alera - Strada Series High-Back Swivel/Tilt Chair, Black Leather UpholsterySink into this luxurious high-back chair for all-day office comfort. Tailored seat and back with top-grain leather upholstery. Waterfall seat design reduces pressure at the back of your knees for improved circulation. Roll armrests feature padded leather caps for added comfort. Heavy-duty nylon base has dual-wheel casters for easy mobility. Recommended Applications: Executive & Management; Seat/Back Color: Black; Features & Functions: Pneumatic Seat Height Adjustment; Tilt Tension/Tilt Lock.Back Material: LeatherBack Material: LeatherBack Height Maximum: 28"Back Width Maximum: 21"Seat Material: LeatherSeat Height Maximum: 22 1/2"Seat Height Minimum: 19"Seat Depth Maximum: 20"Seat Width Maximum: 21"Overall Height Maximum: 47 1/4"