Boss Office Products Multifunction Mid-Back Task Chair, Black

This multi-function task chair is made with SereneSoft fabric on the seat and a mesh back. It features a 27-inch nylon base with 2-inch nylon dual wheel castors. The chair offers a 3 paddle multi-function mechanism which allows one to adjust the seat and back to lock in any position throughout the tilt range. Overall Dimensions: 37 1/2 - 40 1/2inH x 27inW x 27inD. Ratchet back helps you find a comfortable sitting position. Ergonomic mesh back helps prevent body heat and moisture build-up. Seat tilt lock lets you save comfortable positions. Arms are width- and height-adjustable to help ensure proper body positioning.