The back cushion featuring a three-dimensional breathable mesh fabric with durable leather side panels, the back cushion provides excellent airflow, wear resistance, and easy maintenance. The pressure-relieving memory foam adapts to the body's natural contours, helping distribute pressure and reduce discomfort during extended periods of sitting. Available in two thickness options: 40mm and 90mm, providing tailored comfort and support for different user needs. The 9cm thickened design delivers enhanced support and cushioning, making it ideal for users who require additional comfort and stability in everyday mobility.