What makes Torsion® KI’s most popular seating collection? From healthcare to education to business, the Torsion collection, designed by Giancarlo Piretti, offers superior comfort via flex back at a modest price. This collection of stack chairs, task chairs, task stools, and tandem seating provides design continuity in any environment. Backed by KI’s Ten-Year Warranty, Torsion seating is available in a wide range of fabric choices to complement any setting, including KI fabric, vinyl, Pallas® Textiles and C.O.M. For adaptation to hard-use environments, polypropylene seats and backrests are also available.