This is a Pollock Executive Chair designed by Charles Pollock for Knoll in 1963. These particular examples date to 1984. We currently have five chairs available for purchase in this colorway.
Their design features an aluminum frame, and has a padded seat and back upholstered in a charcoal gray fabric. They have a black plastic outer shell that houses the seat.

The listed price includes one chair and there are five available to purchase.

Each chair measures 28.25 inches deep, 26.25 inches wide, and 31.5 inches high. The seat height is 18.5 at lowest and is adjustable up to 21.25 inches. It has a base arm height of 24.5 inches which is adjustable up to 27.25 inches. The fabric on the pieces is in good shape. There are some scrapes and scuffs to the bases, the chair shells, and the corners and edges. Overall, these chairs are in good condition. Please see photos.