This ergonomic computer chair is designed for maximum comfort, featuring a high-density foam seat that is both firm and comfortable. The S-shaped backrest, adjustable headrest, and lumbar support are engineered to align with your body, providing exceptional back support. The chair includes five adjustable features, including customizable armrests, height, swing range, lumbar support, and headrest, allowing you to personalize your seating experience. It is equipped with 360-degree freely rotating nylon wheels for smooth and silent movement on any floor. The chair is crafted with premium, highly elastic, wear-resistant, and breathable polyester mesh on the back and seat. The adjustable padded armrests offer support for shoulders and the upper body, making it suitable for most users seeking relaxation.