Ergonomic Design: Provides longer gaming comfort by reducing strain on the shoulders and lower back. High-quality Material: PU and PVC leather that is easy to clean, stain-resistant, and long-lasting. Two-dimensional armrest that can be adjusted in both directions for individualized comfort. Versatile Recline: For the utmost in comfort, recline from 90° to 180° in lockable positions. Class 3 Gas Lift: Steady and dependable height adjustments with an 80mm range.