The best office chairs look out for you and your back. When it comes to chair design, lumbar support is vital. The first thing you should look for in a new gaming chair is whether it has any built-in support to help your body maintain an ideal posture. Some even come with lumbar support pillows that work just as well. Multi-adjustable arm-rests, upholstery, and general style are also important; note these features aren't cheap.