Ergonomic High Back Office Chair with Adjustable Headrest & Lumbar Support. Designed for long hours of work, study, and gaming, this ergonomic office chair combines comfort, durability, and adjustability to provide superior support throughout your day. Featuring a scientifically designed S-shaped backrest, it helps maintain proper spinal alignment while reducing pressure on your back and neck. The breathable mesh back promotes airflow to keep you cool and comfortable, while the thick high-density foam seat cushion provides lasting support during extended sitting sessions. With adjustable seat height, headrest, lumbar support, and reclining backrest, you can easily customize the chair to your preferred sitting position. Built with a strong nylon frame and heavy-duty construction, this office chair supports up to 330 lbs, making it suitable for a wide range of users. Whether you’re working from home, studying, attending meetings, or relaxing after a long day, this chair is designed to deliver comfort and reliability. Ergonomic S-shaped backrest supports natural spinal posture. Adjustable headrest helps reduce neck and shoulder strain. Adjustable lumbar support for personalized lower back comfort. Breathable mesh backrest improves airflow and prevents heat buildup. High-density foam seat cushion provides lasting comfort. Reclining backrest with 90°-135° tilt function for work and relaxation. Adjustable seat height to fit different desk setups. Heavy-duty construction supports up to 330 lbs. Suitable for users approximately 5’0″ to 6’0″ tall. Durable nylon frame for long-lasting performance. Overall Dimensions: 25.5″ W × 23.2″ D × 48.2″-53.2″ H. Backrest Size: 20.5″ × 20.5″. Seat Cushion Thickness: 3.1. Maximum Weight Capacity: 330 lbs. The chair includes all necessary hardware and detailed instructions for quick and hassle-free assembly. Designed for everyday comfort, it is the ideal choice for home offices, professional workspaces, study rooms, and gaming setups. Enjoy ergonomic support, personalized comfort, and reliable durability with a chair built to help you sit better, work better, and feel better every day.