This back support has mid spinal support with memory foam cushion which promotes good posture. Its Lower lumbar support with three memory foam sections conforms comfortably to natural body curvature. The Microban® antimicrobial protection keeps product cleaner. Its Tri-Tachment™ system ensures stability and eliminates the need for readjustment. The memory foam responds to back weight and warmth for custom support. It’s easy to set up; it is made up of soft breathable fabric and it’s contoured for a relaxed fit. Its fully adjustable design fits most office chairs.