Ergonomic chairs have managed to decrease undue pressure on backs, gluteals and arms so smart selection is necessary for your seating needs. If sitting for over eight hours, one needs to insure their tush is being catered to as well as possible. Sitting in office chairs for prolonged periods of time can be a major cause of back pain, and the science of ergonomics has produced products that will prevent this. It's styled without upholstery to provide a classic look. These are designed without upholstery while incorporating great style.