Also, the Doro S300's recline is restricted to 3 positions. Still although, this office chair might be a big aid for all those with back issues and it provides plenty of adjustability.
The X-Chair X2 K-Activity https://jonasbsej441983.blogrenanda.com/34026527/getting-my-ergonomic-office-chairs-for-sale-stellenbosch-to-work