Chair tilts from a point under the center of the

are standard on all Ergo models

and back height are adjustable for a customized position

The viscous (fluid-like) and elastic (spring-like) properties of the material actively work together -- in the right way and in the right places to provide the support

Mesh Task Chair Color:Grey Chair tilts from a pointThe SI 100 chair is a perennial favorite, combining value, comfort, adjustability and quality, and featuring a breathable, color coordinated mesh back that matches the comfortably contoured mesh waterfall seat, a carbon fiber finished frame, as well as supreme comfort. Available in Grey or Black mesh seat and frame.