What are the common features of ergonomic chairs that enhance lumbar support?

Common features of ergonomic chairs that enhance lumbar support include: 1. Adjustable Lumbar Support: Allows customization of height, depth, and firmness to fit the user’s lower back. 2. Contoured Seat and Backrest: Designed to match the natural curves of the spine. 3. Adjustable Seat Height: Ensures proper alignment of the spine with the desk. 4. Tilt Mechanism: Allows the user to recline and adjust the angle of the backrest for optimal comfort. 5. Breathable Materials: Provide comfort and prevent heat build-up during long periods of sitting.