With its cover made of PU synthetic leather or textured genuine leather (Onyx Deluxe), it offers the "look and feel" of a true executive chair along with enhanced features. Its exclusive functionality, which includes the wide frame, flat seat, 4D armrests, tilt and lock function, high-strength aluminum die-cast base, exclusive stitching, and 100% more cold foam than the AKRacing standard models, ensures maximum comfort and ergonomics for the best possible seating experience.