Value Massage via eBay offers this BestSalon Ergonomic Mesh Midback Computer Chair
in Black, model no. OC-2812, for $69.99
. With free shipping
, that's $10 under a September mention of a similar chair (without a semi-clear mesh back) and the lowest total price we could find. It features armrests, 360° swivel, adjustable height, and more.