Vitra Softshell Chair with 5-Star Base by Ronan & Erwan BouroullecA soft work chair shaped like a shell. That sums up both the design and inspiration for the name of the Vitra Softshell Chair with 5 Star Base. Vertical ribs hidden in the back allow for movement, comfort and support over long periods of time. The smooth curves of the shell are accentuated by numerous soft upholstery options. Designed by Ronan & Erwan Bouroullec. Dimensions: Item: Width 24. 5", Height Adjustable From 30", Adjustable To 35. 25", Depth