KI's Impress® Ultra task chair includes the perfect combination of comfort and value. With this task chair, KI takes the comfort of the Impress chair and adds a mesh back which conforms to the unique curvature of your back. In addition, the chair is covered with Soft Knit fabric that stretches two ways and is woven specifically for the Impress Ultra seat.The Impress Ultra task chair is available in two versions - high-back or mid-back with four arm options including pivoting T-arm, adjustable T-arm, loop arm and adjustable loop arm. Seat-depth adjustability is a standard feature on the Ultra task chair. On the mid-back version, back height is also adjustable, and is standard.