Functionally, it is a pleasure to sit in as the durable ribbed vinyl back provides natural posture support. The seat cushion and arms are padded, while the form of the armrests was intended to maximize a 90-degree wrist angling for typing. leather task chair’s chrome-plated aluminum base is fitted with five dual-wheel casters, while a tension knob and tilt lock allow for easy back position adjustments. This is a chair made for the modern office and a welcome embodiment of the spirit of progress and determination.