Office Depot offers the Realspace Calusa Mesh Mid-Back Chair in Black, model no. H-8881FB, or Silver, model no. H-8881FS, or for $139.99. Coupon code "VMG9PM4Y9S4006" drops it to $114.99. With free shipping, that's $75 off list and the lowest total price we could find. Features include lumbar cushioning, flip-up arms, tilt controls, and 1-touch seat-height adjustment. Deal ends October 15.