Office/desk chair designed by Antonio Citterio and manufactured by Vitra and part of the Axess collection. The chair is height adjustable, the back tilts back and the armrests also move up and down, the chair is very comfortable. The chair has casters on an aluminum star base and swivels very easily. Measurements: 35 to 40 inches adjustable hight x 26 inches wide at arms x 20 inches seat width x 22.50 inches deep x 16 to 22 seat height with an adjustable arm height that goes from 22.50 when the seat is lowered 27.50, 28, 28.50, to 31.50 when the seat is up, adjusting .50 at a time.