If you've never owned a mesh back chair, then you're in for a real treat with this black 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 an innovative curved 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 and adjustable arms offer proper relief to your shoulders and neck while the waterfall seat reduces pressure on your legs for maximum comfort. Aesthetically pleasing ribbed details and white contrasting stitching on the seat and arms make this computer chair 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: BlackModern Ergonomic Executive Task Office Chair with Height Adjustable ArmsHigh Back Design with breathable mesh materialBuilt-In Lumbar SupportTilt Lock Mechanism rocks/tilts the chair and locks in an upright positionTilt Tension Adjustment Knob adjusts the chair's backward tilt resistancePadded Black Mesh Upholstered Seat with CAL 117 Fire Retardant FoamEmbellished white stitching on padded arms and seatWaterfall Seat reduces pressure on your legs360 Degree Swivel Seat with Pneumatic Seat Height Adjustment5-Star Nylon Base with Dual-Wheel CastersSpecifications:Product Dimensions: 42.75" H x 25.75" W x 25" DProduct Weight: 35.8 lbsSeat Dimensions: 17.25" - 21.75" H x 21" W x 20" DSeat Dimensions: (Thickness) 4"Arm Height: (From Floor) 27" - 33.5"Arm Height: (From Seat) 9.25" - 12"Back Dimensions: 24" H x 21.75" WWeight Capacity: 250 lbsRecommended Location: IndoorRecommended Room: Office