The Zephyr office chair from BioFit Engineered Products features a ventilated, breathable mesh back, as well as adjustable lumbar support and a range of other ergonomic characteristics. It is available in two models, each available with a variety of seat height, base, armrest and upholstery options, and an executive-style seat control. Zephyr's contemporary style makes it suitable for a wide array of office interiors.