Ergonomic Office Chair: Do you often experience back pain and soreness due to uncomfortable chairs? HeroSet comfy ergonomic big and tall chairs can help you get rid of your troubles, with 7 support points (head/neck/shoulder/back/waist/hips/hands) for optimal sitting posture and improved comfort to boost efficiency during work and study sessions; The frame of the cushion made of FSC-Certified wood Adjustable Functions: Flexible adjustable height from 45 to 49 inches and 90-120° rocking function, making the desk chair suitable for your various sitting positions and activities such as working, reading, and relaxing Executive Leather Chair: Why is the HeroSet office chair more comfortable to sit in? Breathable and easy-to-clean PU leather upholstery provides consistent comfort by ensuring ventilation and maintaining coolness The five-layer cushion structure prevents collapses, where PP cotton and high-density sponge padding provide immersive enjoyment, and the silent spring seat (30