With an open breathable mesh back and memory foam seat, this Mesh Task Chair will keep you cool and comfortable during extended periods of work. 3D multi-direction armrests are comfortable and versatile and can be adjusted to suit your personal preferences. Synchro-tilt, push-button mechanism moves the back and seat in unison at a 2:1 ratio and locks in any position throughout the tilt range. Built-in seat slider allows you to adjust the depth of the seat. Self-adjusting tilt tension allows you to customize the optimal angle for sitting. Pneumatic adjustable gas lift allows easy seat-height adjustment to help you find the personalized sitting style that suits you and your work environment. Large, 27" black nylon base provides added stability to the chair. Hooded double-wheel casters make it easy to move and shift directions. Headrest provides additional comfort.