If you spend a lot of time sitting, a mid-back ergonomic office chair with lumbar support can provide you with a lot of comfort to prevent backaches. The ultimate in comfort for daily use are padded armrests. Under the seat, a lever that may be adjusted controls both the rocking motion and the height. Rock by pulling out and locking by pulling in. In order to prevent floor scratches, a five star heavy sturdy foundation is recommended. Don’t pass up the chance to have this office chair as your best friend.