Adjustable Headrest & Lumbar Support – Height-adjustable headrest and ergonomic lumbar support help reduce neck and lower back strain during long hours of work or study. Breathable Mesh & Comfortable Seat – Mesh back promotes airflow to keep you cool, while the padded seat provides lasting comfort for everyday use. Flip-up Armrests for Space Saving – Armrests flip up easily to slide the chair under desks, ideal for small offices or compact home workspaces. Rocking Function for Relaxation – Chair features a gentle rocking motion to help you relax between tasks. Please note: the tilt function does not lock in a fixed position. Smooth Swivel & Easy Adjustment – 360° swivel base, smooth rolling casters and pneumatic height adjustment allow easy movement and flexible seating.