Herman Miller Mirra 2 Task Chair: Standard Tilt - FlexFront Adj Seat Depth - Adj Lumbar Support - Butterfly Back - Adj Arms - Graphite Base & Frame Polymer Made in USA Features Standard Tilt, Adjustable Arms, FlexFront Adjustable Seat Depth, Butterfly Suspension Back, and Adjustable Lumbar Support Hybrid structure, shaped for dynamic support, keeps your body in healthy alignment A reinvented Harmonic tilt creates a smooth and balanced feel as you move from one posture to another; Lean design brings a sophisticated profile and visual lightness to any space 93% recyclable , 45% of the chair material was derived from recycled resources 12-year Herman Miller warranty with Born-On-Date sticker