4-Leg Base
Fixed Arms Frame Finish: Black Leg Finish: black
Casters: glide, carpet only 
Back : Interweave 2 suspension, Color: Shale
Seat: Fabric Tailored 23512 Black

Features: 
The Triflex™ back option has engineered flex patterning that defines three ergonomic zones and responds to your movement.
The contoured seat pad incorporates a blend of injection molding and foam for seamless long-term comfort.
Built-in sacral reinforcement and options for adjustable lumbar support.
Fully Synchronized Tilt provides balanced motion through a range of posture changes
 Warranty: 12-year, 3-shift warranty,