An Ergonomic Chair That Has Been Improved and Market-proven Over the Years Our ergonomic chair has been carefully designed by dozens of professional product designers. After it was introduced to the market, we’ve been actively seeking customer feedback and continuously improving and optimizing this chair, which took five years to finally the upgraded ergonomic office chair is presented like this. Why Choose JHK Ergonomic Office Chair If you’re all about work-life balance, then you want a chair that can help you do it all. This office chair is equipped with adjustable headrest, comfortable lumbar pillow and 3D armrests, which will meet the needs of different people. The entire back of the chair is designed in accordance with ergonomic theory to provide comfortable support for your back and relieve the pressure on the muscles of the various parts of the back. More importantly, this ergonomic office chair can help to improve your sitting posture, more conducive to the health of the spine of sedentary office workers. Unique Ergonomic Design High Quality Material Multiple Adjustable Mechanism Heavy Duty and Durable Read more Adjustable Headrest Headrests can be adjusted up and down according to your height, also can be rotated to adjust 45° to fit your position and relax your cervical. Comfy Lumbar Support The unique designed chair back fits your spine curvature of your spine. The lumbar pillow provides comfortable support, helping you easier into work. 360° Rotatable The 360° swivel office chair can help you and your colleagues complete work more efficiently, and it is convenient for you to take documents. Tilt Function Pull the lever to unlock the chair, then lean back and find the best spot for your posture. You may also tilt the backrest and enjoy a moment of relaxing. Read more 3D Adjustable Armrests Gently press the button on the armrest, the armrest can be adjusted up and down. Besides, it can also be adjusted back and forth or rotating, suiting your habit. Heavy Duty Strong Base Our strong wheelbase gives better stability and makes this heavy-duty office chair ideal for adults up to 300 lbs, thus making this chair maintain a longer service life. 360° Swiveling Casters Silent and smooth. These flexible castors will help you easily and quietly cross your office to fetch a document or talk with your colleague, no matter what kinds of floors they're on. Premium Gas Lift Our 3rd-grade gas lift includes a seat height adjustment feature and can adapt to different user heights. What you need to do is just gently toggling the lever up and down. Read more Ergonomic Mesh Chair Ergonomic Mesh Chair Ergonomic Mesh Chair High Back Ergonomic Chair ErgonomicOffice Desk Chair Chair with Footrest Office Desk Chair Lumbar Support ✓ ✓ ✓ ✓ ✓ ✓ Rocking Model ✓ ✓ ✓ ✓ ✓ ✓ Adjustable Headrest ✓ ✓ ✓ ✓ ✓ Tilt Function ✓ ✓ ✓ ✓ ✓ Sponge Cushion ✓ ✓ Adjustable Lumbar Support ✓ ✓ Footrest ✓ Color Black Grey Red Grey/Black Black/Blue/Grey/Yellow Grey/Black Armrests 3D Armrest 3D Armrest 3D Armrest 4D Armrest 4D Armrest Flip-up Armrest