Ergonomic DesignPatioMage is committed to creating the most comfortable ergonomic mesh office chair. Our office chairs are perfectly designed according to the four curvatures of the human spine. With our ergonomic design based on human body curve and real needs from customers,it is easier to work in comfort by freely adjusting the headrest,lumbar support,armrest,seat depth & heigth,footrest as you need to truly make it perfect for a long office day at home! Adjustable Seat DepthThis office chair comes with seat depth adjust technology, an adjustable feature that can be adjusted 60mm to find the most suitable sitting position according to height and thigh length. It will effectively support the entire leg area and relieve leg pressure. Adjustable Lumbar SupportWith split back design of lift & rotate lumbar support,your waist will be supported well.The lumbar support of this gaming chair provides a proper support by adaptive rotating 10 degrees for the natural curve of your wa