Variable Guest Chair by Teknion

From Teknion and designer Alessandro Piretti, the Variable Guest Chair is part of a multi-purpose seating line comprised of more than 15,000 configurations with a four-leg stacking guest chair, bar-and counter-height stacking stools, swivel multi-use work chairs, swivel stools, conference chairs, and accessories. Flexible zones in the seat and backrest encourage movement and deliver optimized user comfort based on the human body’s pressure points.

http://www.teknion.com/products/seating_variable/default.asp