This office chair has a 3-inch thick seat cushion with D6.5 (Doll Cotton) foam density and features an ergonomic swivel design—its 360-degree swivel functionality provides effortless movement and flexibility for efficient multitasking; it also offers customizable comfort with adjustable seat height, allowing personalized seating positions for maximum comfort during long hours, and comes with premium upholstery, with its seat and back cushions upholstered in luxurious top-grain leather that offers durability and sophisticated style.