The advanced synchro-tilt control mechanism is the best HON has to offer, and reclines just the way you like. Height- and width-adjustable arms and adjustable lumbar support create the customizable comfort that perfectly fits you. A breathable 4-way stretch mesh back lets the air, and the comfort, flow freely. When you're ready to take the next step up in task seating, look no further. Very easy assembly. 4-way stretch mesh back color is seat fabric color is and frame color is Black. Task chair for comfortable office work with seat height range of 17. 25 - 21. 5. 4-way stretch mesh back color is seat fabric color is and frame color is Black. Advanced synchro-tilt mechanism puts you in total control of your recline and comfort. Overall dimensions: 44. 5"H x 27"W x 28. 5"D. Seat dimensions: 20"W x 19"D. Height- and width-adjustable arms provide a custom fit. Tilt tension controls the rate and ease of recline. Hard casters roll quietly and effortlessly. Warranted for users up to 300 lbs. Very easy assembly. Adjustable lumbar support customizes your lower back comfort. Breathable 4-way stretch mesh back increases airflow and enhances support. Contoured seat cushion gives workstation warriors the all-day comfort they need. Upright tilt lock secures the chair in the many upright positions. 360-degree swivel provides freedom of movement in any direction. Pneumatic seat height adjustment moves the seat up and down to adapt to various body heights. Backed by the HON Full Lifetime Warranty. Seat Slide. Model Option: HIWMMKD. Y2. A. H. IM. CU10. AL. SB. T. Meets or Exceeds ANSI/BIFMA Standards. Taking care of business has never been easier or more pleasurable than when you're sitting in this HON Ignition mid-back 4-way stretch mesh back task chair.