Herman Miller Mirra 2 Office chair, standard height, tilt limiter, adjustable non upholstered arms, adjustable seat depth, butterfly suspension back with airweave seat. With no adjsutable support, with 5 star base with black yoke casters for carpet only.<br />Materials and Finishes:<br />Base and Frame Finish: G1 - Graphite<br />Back / Butterfly Finish: G1 - Graphite / 8M17 - Black<br />Arm Finish: BK - Black<br />Airweave Finish: 1A703 - Graphite<br />Warranty: 12 Years<br /><br />Size: 30"W x 42 3/4"H