We purchased two of the Union Scale FlexFit chairs (one black one blue) prior to buying a red/maroon one for a close friend. These chairs are--in a word--AWESOME!! For back pain sufferers these are truly ergonomically comfy. Aesthetically pleasing in overall design and color. An invaluable asset to any business or home office.
Chair is comfortable and assists with good posture while in front of computer for long periods of time. I would recommend this chair for those with back issues.
Use it 7 hours/day; comfortable. Good quality. Good assembly instructions. Could have used a second set of hands putting it together. I'm 6' 1" and the headrest came to my upper shoulders at max extension. Not a big deal for me just left it off.