Selecting the right office chair for extended work hours is crucial for maintaining posture, reducing back pain, and improving productivity. Look for a chair with adjustable lumbar support to keep your spine properly aligned and prevent lower back strain. Seat height adjustability is essential to ensure your feet rest flat on the floor, reducing pressure on your thighs. A breathable mesh backrest promotes airflow, keeping you cool during long hours. High-density foam or memory foam padding offers superior comfort compared to basic cushioning. A waterfall seat edge design helps reduce pressure on the back of your legs, improving circulation. Armrests should be height-adjustable to support your shoulders and reduce tension. Reclining and tilt mechanisms allow movement, preventing stiffness and improving blood flow. If you work long hours, an ergonomic office chair with a headrest can reduce neck strain. Durability is another factor—opt for a sturdy metal or reinforced plastic base with smooth-rolling casters. Investing in a high-quality, ergonomic office chair not only enhances comfort but also prevents long-term posture-related issues.