Two upholstery styles (parallel and panel) create opportunity to custom design the look of these office chairs. The mesh back offers exceptional comfort and support and a wide range of color options. Both back heights offer ratchet back function with excellent slimline profile. Proform is designed for maximum support, comfort and performance. Control options on this series range from simple rock and lock to full ergonomic syncro function. Choose from a variety of different arm styles. The Proform is suitable for conference or task seating.