Ergonomic Mesh Office Chair With Lumbar Support GreyTransform long workdays with lasting comfort. The Ergonomic Mesh Office Chair with Lumbar Support delivers cooling breathability, targeted back support, and durable construction for home office desks and professional workstations alike. Designed with a mid back design and lumbar support that follows your spines natural curve, it helps prevent discomfort during extended sessions. The breathable mesh promotes airflow to keep you cool and focused.