JOINSUN Ergonomic Mesh Office Chair, High Back with Adjustable Lumbar Support, Headrest, Black

Ergonomic Support: Adjustable headrest, armrests, and lumbar support provide proper alignment for a healthier and more comfortable sitting experience for adults. Customized Comfort: The headrest and mesh lumbar support are adjustable to meet your work and relaxation needs, reducing fatigue from prolonged sitting. Space-Saving Design: Flip-up armrests save space when not in use, providing comfortable support without sacrificing functionality. Breathable Materials: Premium mesh back and high-density sponge seat keep you cool and comfortable throughout the day, promoting better airflow. Smooth Mobility: Multi-direction casters ensure effortless movement on various floor surfaces, with a sturdy construction supporting up to 300 lbs for stability.