Steelcase Gesture Task Chair: Shell Back - Platinum Metallic Frame/Base/Seagull Accent - Standard Carpet Casters Fabric Made in USA Back and seat move as a synchronized system moving with each user to provide continuous and persistent support Arm moves like the human arm, which allow users to be supported in any position Flexible at the perimeter to allow users to sit in a range of postures without obstruction Takes into account various body types and sitting preferences, quickly adjustable to meet the needs of each individual user 12 Year Steelcase Warranty