Breathable Mesh Back - Keeps you cool and dry with airflow mesh that prevents heat and sweat buildup, even during long hours of sitting. Wide & Deep Seat - A spacious seat with high-density foam and soft fabric offers firm support and all-day comfort. Adjustable for Comfort - Easily change the height and angle to fit your desk setup, with a tilt function that adapts to your posture and work situation. Reliable & Durable Materials - BIFMA-certified gas lift and a sturdy nylon base support up to 270 lbs, with smooth-rolling wheels for effortless movement on any floor. FSC-Certified - The inner support of the chair cushion is made of FSC-certified wood.