Adaptive Lumbar Support System Fully Adjustable Lumbar Curve High Density Foam Cushions PERFECT GAMING FORMWhen we launched the first Razer Iskur, our flagship gaming chair revolutionized support for gamers with its best-in-class ergonomics. By working with the worlds best esports players and ergonomic experts, the best gaming chair returns to set a new standard for the entire industry.ENDORSED BY EXPERTSIT IS THE BEST GAMING CHAIR ON THE MARKET, AND I HIGHLY RECOMMEND IT TO ALL GAMERSDr Matthew HwuSWIVELS & RESPONDSto your bodys lateral movements, allowing for full lumbar support even when sitting at an angle.HEIGHT & DEPTH-ADJUSTABLEto closely match the natural curvature of your spine.DYNAMICALLY RECLINES & STRAIGHTENSas you lean back or sit up right, automatically adjusting to any change in position.A WIDE ANGLE OF ADJUSTMENTto support various postures for work, play, and rest.EPU-GRADE SYNTHETIC LEATHERSofter, more durable, and more flexible than regular synthetic leather Highl