My wife needed a chair that would be comfortable for her to sit in for 8+ hours a day. She said that this chair is alot better than her previous chair!!! This one is a keeper.
As a big guy over 6 foot it's hard to find an office chair that fits me let alone one that isnt cheap leather or vinyl. This is a very comfortable chair with support all the way up and it supports a pretty heavy person. Very easy to assemble. Lost a star because the head/neck rest is only useable when you are reclined. If it would tilt further forward to support your head for the 3pm slump it would be 5 stars.
It's only been a week but so far this is a great chair. Everything needed to assemble was included including a wrench to tighten the screws. It's Dec in MN and sitting in it right now is a little chilly so it should be cool in the summer. The chair had a slight smell when first unpacked but that's mostly gone now. I'm 6' 240lb and the chair does not feel like it's going to tip over when I lean back.
This chair fits me pretty well. I'm 6'2" and about 200 lb and I have a little room left for the width of the seat and plenty of room to the arm rests. The head rest doesn't go high enough to be very useful unless I am leaning back (my shoulder hit the bottom of the headrest if I sit up straight) but I rarely sit back while working so for me it's a minor issue. It rolls well and adjusts total height arm height lumbar support height and headrest height as needed.