Material Costs Ergonomic chairs are far from ordinary office seats; they're made with top-notch materials for the best comfort and support. The breathable mesh and lumbar support cushions are primary contributors to the high cost of office chairs.

Specifications. Weight Capacity: 300 lbs. Chair Weight: 38 lbs.

Usually 17-20 inches wide is the standard. The depth (from front to back of the seat) needs to be enough so that the user can sit with his or her back against the backrest of the ergonomic office chair while leaving approximately 2 to 4 inches between the back of the knees and the seat of the chair.

Chairs do not have any particular standard office chair dimensions, however, most of them fall within the following office chair measurements: Height of chair: 16 to 20 inches. Width of a chair: 19 to 21 inches. Depth of chair: 15 to 19 inches.