Speed through your deadlines comfortably with this mesh task chair. Adjustable armrests and seat height let you customize your seating position, while the mesh back regulates airflow for a cool working environment. Fine-tune recline resistance to your preference with the convenient tension knob and lock the back in a vertical position with the upright tilt lock. The ergonomic design and adjustable lumbar support contour to your body for maximum stability and comfort, and the five-star base with casters offers effortless mobility. This FlexFit Hyken mesh task chair meets ANSI/BIFMA standards for product safety and performance and features an adjustable headrest to cradle your head and support your neck.. Task chair is a smart addition to any office space. - Comes in charcoal gray and Features mesh back and seat. - Assembly required. - Arms adjust up and down or swivel to ease presure on neck and support shoulders. - Rated for up to 275 lbs.. Seat dimension: 17.24-20.98"H x 19.37"W x 16.77"D. Product Instructions . FlexFit, a collection by Union & Scale. - Back dimensions: 16.43"W x 23.43"D.Features a swivel-tilt mechanism, upright tilt lock, and a tension knob that allows you to adjust the resistance of the chair for reclining, making it easier or harder to recline back. - Overall dimensions: 45.28-49.76"H x 27.1"W x 27.2"D.Features adjustable seat and arm height, height- and angle-adjustable headrest, lumbar support, tilt tension, and tilt lock. - Optimize your workplace seating with this charcoal gray FlexFit Hyken mesh task chair.