Chair arms adjust up and down in and out, chair has back lumbar, Has up and down chair position, rock or Dont rock lever and knob to adjust stiffness of rocking. Only thing don’t have is tilt forward option. Chair is very nice shown. If Your in Chair business We a few for sale have blues too! The item “Herman Miller Aeron Chair Size B Black Nice” is in sale since Monday, November 26, 2018. This item is in the category “Business & Industrial\Office\Office Furniture\Chairs & Stools”. The seller is “danman81″ and is located in Belleville, Michigan. This item can be shipped to United States.