Professional back support allows optimal working comfort and features Microban antimicrobial protection to keep the product cleaner. Two-tiered support system with memory foam cushions includes a mid-spinal support that promotes neutral posture and a lower lumbar support that conforms comfortably to natural body curvature. Memory foam responds to back weight and warmth for custom support. Tri-Tachment system eliminates the need for readjustment. Fully adjustable back support fits most office chairs.