Material: Constructed with breathable mesh material and visco-elastic memory foam. Fastener: With an adjustable fastener strap to secure cushion and keep in place. Reduces tension: Designed to reduce tension and support your posture. Healthcare: Get a cushioned back support. Comfort: Features an ergonomic shape for comfort. Regulates temperature: Adjusts to your body heat so your back stays dry. | Ergonomic Cushioned Back Support | Wowcher