Lorell LLR03208 Hiback Mesh Headrest Chair This Mesh Task Chair with headrest comes with an open breathable mesh seat and back that will keep you cool and comfortable during extended periods of work. Multi-direction armrests 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. Adjustable tilt tension control allows you to customize the optimal angle at which you sit. Pneumatic, adjustable gas lift allows easy seat-height adjustment from 19 to 22-1/2 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. Seat measures 18 wide x 19 deep. Back size is 24 wide x 18 high. Arm height ranges from 26 to 29 . Features Hiback Mesh Headrest Chair Cool seating with mesh headrest, back and seat Personalize your position with multi-direction armrests, synchro-tilt, tilt tension and built-in seat slider Casters for easy movement Raise seat from 19 to 22-1/2 for your best working height