Ergonomic Office Chair with Adjustable Headrest, Lumbar Support, and Flip-Up Armrests

This office chair is designed for comfort and support, featuring a breathable mesh backrest, a high-density sponge seat, and a five-point base with rolling casters for easy mobility. The chair includes flip-up armrests, an adjustable headrest, and integrated lumbar support to ensure proper posture during long hours of sitting. The seat height can be adjusted between 18.5 and 22.2 inches using a pneumatic lever, and the chair also offers a rocking function with an adjustable range of 107 to 144 degrees. The swivel base allows for full 360-degree rotation, providing flexibility in movement. This chair supports a maximum weight of 250 pounds. Assembly is required, and all necessary hardware and instructions are included.