These are Saiba Mid-Back Task Chairs, initially designed by Naoto Fukasawa for Geiger in 2016. These examples date to around the same time. Their design features a rotating lounge-like bucket seat on a height adjustable pneumatic base which is formed of cast aluminum. They boast a 5-star base on casters, and are upholstered in a rich cream leather.

The listed price includes one chair, and we have two available for purchase.

Each chair measures 24.25 inches deep, 25.75 inches wide, and between 32 and 35.75 inches high. Their seat height is adjustable from 17.5 to 21.25 inches. Their seat depth is 17 inches, and their seat width is 25.75 inches. There are some light scuffs, and one has some small scratch marks. The bases show some light nicks. Overall, these chairs are in very good condition. Please see photos.