Arozzi's signature ergonomic design makes using this chair easier on your back and posture for longer periods of use. The Arozzi Primo comes with an adjustable internal lumbar support which is controlled by a knob on the side of the backrest, as well as a completely new type of neck pillow. The Primo has a neck pillow made out of velour with good elasticity. This makes it strong and durable at the same time as being soft and comfortable. The Primo has a wheel base made out of aluminum, making it extremely durable but also giving it a clean and metallic look. The soft PU Leather is built to last and easy to clean. The frame is padded with a snug foam that has a density of 70 kg/m for the seat and 65 kg/m for the backrest so you can sink into the seat in comfort and provide hours of proper support. The Arozzi Primo has a new and improved molded foam mix. It will give you extreme comfort and great support. Built to achieve a firmness that is beneficial for your posture, and a durability t