The extra height is there to support the head and neck when you lean back, so a chair with a high back and a locked upright mechanism gives you the look without the benefit. Check the recline range and whether it locks at a working angle. Headrest adjustment matters more than the shell height, since a fixed rest sits wrong for most people. See office chairs, executive chairs and mesh chairs.

High back office chair in a bright modern workspace with desk, monitor, keyboard and office storage.
High Back Office Chairs Australia

Shop high back office chairs for desks, home offices, executive spaces and supportive workplace seating.