The great executive chair has a higher seat back with a padded, height-adjustable neck rest. Comes with black fabric and 5-point 25”-diameter black resin base with 55mm casters. Controls: Seat moves up and down, angles forward and back. Separate control slides seat pad front to back. Back features separate height and angle adjustments. Padded T-arms adjust up and down, in and out, and pivot to allow easy access in and out of the chair.