??Drafting chairs are meant for working, and this ProGrid mesh back chair provides total comfort and functionality for professionals and students alike. Transition easily from sitting to standing after working in the contoured fabric seat. Your spine is cradled by a breathable, flexible grid mesh backing with built-in lumbar support. Adjust the height of both your seat and your footing to your personal preference, and glide easily along the floor with dual wheel carpet casters. Hours of labor go by easily when you work smarter, not harder, in your new drafting chair.