SitOnIt's Torsa Task Chair is a value-packed seating solution with style. Adjustable lumbar support, height, and tilt-tension settings ensure hours of comfort. The breathable mesh back and simple adjustments help foster a sense of ergonomics for everyone in the office, without sacrificing on the elegance. Features Cutting-edge design Enhanced synchro with Comfort Drive and seat depth adjustment Adjustable lumbar support Textured control knobs Comfortable and durable mesh back Waterfall seat CAL 133 approved models 300 lb weight capacity