Do Not buy the AndaSeat Novis!!
I bought a AndaSeat Novis less than a year ago and it has been the worst office chair I have ever owned. The base quickly started bending after normal use, it is the XL model, and I weigh less than 180lbs. AndaSeat did replace the base, but it has been non-stop issues with the chair. The arm rest pads are splitting, the cloth seams on the seat are coming apart. It is just one thing after another. Honestly, it is not even that comfortable of a chair. I had my previous $150 Staples chair for 7 years. I never had a problem with my cheap Staples chair and I only replaced it because I thought this AndaSeat would be an upgrade, it is NOT!