This executive leather budget chair lends an air of sophistication at an economic price point It features elegant black LeatherPlus upholstery. LeatherPlus is a combination of leather and polyurethane that provides extra comfort and durability In addition to passive ergonomic seating with integrated lumbar support, it features durable polypropylene arms, a pneumatic gas lift seat height adjustment, and adjustable tilt tension control All of this sits atop a large 27-inch nylon base that keeps everything sturdy