Boss heavy duty executive chair makes the perfect companion to any office, boardroom, or study. Its 400-pound weight capacity ensures a comfortable sitting experience with a broad range of body types. It is elegantly upholstered in black Caressoft and features padded silver metal arms and soft pillow top cushions for added comfort. Ergonomically, the chair featur es pneumatic gas lift seat height adjustment, a heavy-duty spring tilt mechanism, and tilt tension control. All of this sits atop a large chrome base with five large heavy-duty casters.