Solve is the single seating solution that helps a variety of users achieve optimal comfort. This Solve mid-back task chair features a breakthrough ReActiv back material designed to provide enhanced support above and beyond ilira-stretch mesh. The synchronized seat and back to provide proper balance, alignment and lumbar support, and can be adjusted with a single lever. Upholstery color is Bittersweet. frame color is Black. ReActiv back color is Charcoal..