X-Chair designs ergonomic office chairs and workspace furnishings built around proprietary support features, including Dynamic Variable Lumbar support and SciFloat Infinite Recline. Its lineup ranges from breathable A.T.R. mesh seating to the X4’s Italian-made leather and the X-Tech’s Brisa-and-A.T.R. fabric combination, with desks and workspace accessories rounding out the offering. X-Chair backs its office chairs with a five-year parts-and-materials warranty and a 15-year warranty on non-moving metal frames.