Our Executive LeatherPlus chair takes comfort and style to a whole new level Its Black LeatherPlus upholstery ensures maximum comfort with its softness and durability Additional features include passive ergonomic seating with integrated lumbar support, pneumatic gas lift seat height adjustment, and spring tilt mechanism There's also an adjustable tilt tension control that allows for adjustments based on weight Finally, the chair sports five hooded double wheel casters and a 27-inch nylon base that provides ample stability