The firm and flexible Eames Aluminum Group Executive Chair features a continuous piece of seat-back upholstery stretched tautly between aluminum side ribs, creating a firm and flexible sitting pocket that subtly conforms to the body's shape. Also features tilt-swivel mechanism and seat height adjustment. A fully licensed product of Herman Miller, Inc. Eames is a licensed trademark of Herman Miller. Features a five-star polished die-cast aluminum base and frame with tubular steel column. Select from glides or 2" hard double-wheel casters. The Eames® Aluminum Group is GreenGuard® Certified and is made from 67 percent recycled content. At the end of its useful life, the seating is 90 percent recyclable. Eames® Aluminum Group seating may also contribute to LEED points. Available in select fabrics online. Designer: Charles and Ray Eames, 1958; Dimensions: chair with casters w23" d18" h33.75" max seat h17-19" chair with glides w23" d18" h32.75" max seat h16-19" ; Material: upholstery or leather on cast aluminum;