Giantex Ergonomic Office Chair with Adjustable Lumbar Support, Armrests and Headrest, High Back Computer Desk Chair with Casters, Swivel Executive Mesh Chair for Home Office (Black) - GT-10210DK-CB

• 【Reclining Backrest & Adjustable Seat Height】: The backrest of the ergonomic office chair can be locked at 3 different angles (90°, 105°, 135°), which is perfect for working, studying and napping. You can also adjust the rocking tightness of backrest by rotating the tension knob. Additionally, the seat height can be adjusted in the range of 16''-20'' to fulfill your diversified needs. 【Rotatable Headrest & Adjustable Armrest】: Our office chair features 40° rotatable headrest to provide steady support for your head in a relaxed position. And the up/down armrests relax your arms and shoulder while working, thus bringing additional enjoyment and satisfaction to your office life. 【Ergonomic Design for All Day Comfort】: Curved backrest with up/down lumbar support mitigates fatigue on the back and waist. By rotating the round button on the back, the protruding low waist structure can be moved forward or backward for increased comfort. Also, the waterfall padded cushion avoids leg pain caused by sedentary working. 【Ventilated Mesh & High Density Sponge】: The back and seat is made of breathable mesh to promote air circulation for a super cool sitting experience. The thick as well as wide seat cushion filled with high density sponge offers you a spacious and cozy place to rest throughout the day. 【360° Swivel Casters & Stable Base】: The heavy duty base and gas lift is safe and strong enough to withstand a weight of 275lbs without deformation. The 360° swivel casters keep smooth and silent rolling on various floors, so that you can communicate with your colleagues and fetch files easily.