Mesh office chairs can keep you more productive throughout your work day with its comfort and ventilated design. This chair features transparent, breathable mesh material that allows air to circulate. This chair also features a height adjustable lumbar support mechanism. A mid-back office chair offers support to the mid-to-upper back region. This chair is ideal for anyone who does a great deal of typing throughout the day and needs good back support. The synchro tilt control allows the chair's back and seat to recline at different rates, increasing the angle between your torso and thighs. The waterfall front seat edge removes pressure from the lower legs and improves circulation. Chair easily swivels 360 degrees to get the maximum use of your workspace without strain. The pneumatic adjustment lever will allow you to easily adjust the seat to your desired height. The flip-up arms are great for users who like the option of an armless chair without the hassle of detaching them. []Features:- Finish: Black- Mid-Back Design- Adjustable Height Lumbar Support- Transparent Black Mesh Seat and Back- 2-to-1 Synchro Tilt Adjustment- Tilt Tension Adjustment Knob- Waterfall Seat promotes healthy blood flow- Swivel Seat- Pneumatic Seat Height Adjustment- Padded Height Adjustable Flip-Up Arms.Specifications:- Overall Product Dimensions: 37" - 40.75" H x 26.5" W x 27" D- Overall Product Weight: 46.1 lbs- Warranty: 5 Year Limited (non moving metal parts) 2 Year Parts.