If you've never owned a mesh back chair, then you're in for a real treat with this gray mesh ergonomic task chair. The ventilated design allows air to circulate to your back, keeping you cool and comfortable enabling you to concentrate on the task at hand and increasing your productivity. This chair has important features such as a flexible mesh back with lumbar support, pneumatic seat height adjustment and the ability to recline/rock back and forth with the tilt lock mechanism that make your purchase worthwhile. Padded flip-up arms allow you to get the chair under your desk and closer to your workspace while the waterfall seat reduces pressure on your legs for maximum comfort. Chair easily swivels 360 degrees to get the maximum use of your workspace without strain. The design of this ergonomic chair makes it a welcome addition to your workspace whether you work in the office or from home. Upgrade your seating with this designer executive office chair and make your work day much more enjoyable.Features:Finish: GrayContemporary Ergonomic Task Office ChairVentilated Mesh Mid-Back DesignFlexible Mesh Back, Built-In Lumbar SupportTilt Lock Mechanism rocks/tilts the chair and locks in an upright position, Tilt Tension Adjustment Knob adjusts the chair's backward tilt resistancePadded Gray Mesh Upholstered Seat with CAL 117 Fire Retardant FoamSwivel SeatPneumatic Seat Height AdjustmentPadded Flip-Up ArmsHeavy Duty Gray Nylon BaseDual Wheel CastersSpecifications:Product Dimensions: 37.5" - 42.25" H x 25.25" W x 24" DProduct Weight: 32.55 lbsSeat Dimensions: 17" - 21" x 19.5" W x 19" DBack Dimensions: 22.5" H x 21.75" WArm Height: 27" - 32" H from floor; 9" H from seat