Easy enough to assemble. I'm 5'7" and I'll agree that the headrest is too low, even adjusted to its maximum height. I'll probably remove it, as it digs into my shoulders. Could be fixed by redesigning the headrest with the same attachment.

It's a comfortable chair for me 5' 9". I used rubberized grip-handle of my Channel-locks to press in the castors with scrap piece of 2" x 4" under it (I assembled it upside down, set ontop of a tall bar-stool,) I had to cut, scrape and file the inside of the slots to allow enough clearance to pop in the last plastic cover for the bolts attaching the headrest. With the chair totally reclined, the "headrest" cradles my neck perfectly. That's the only time that I'd use it anyway.

My only complaint about this chair is that the head rest does not go up high enough for me (I am 184cm tall). Otherwise it is comfortable and sturdy.

Was okay until the lumbar support snapped, conveniently right after my warranty ended. Bottom seat not breathable at all.

Very unsteady chair. Has sharp edges on base. Uncomfortable to sit on. Barely any controls

I ordered 10 of these to outfit our new office. They are very easy to assemble and extremely comfortable.

I like this chair. It's firm but comfortable for me. I don't use the headrest and I don't think you really could unless you are probably 5'6 or under. I am 6' and even at the top setting it would press into my shoulders if I sat up straight. Not an issue for me since I don't really use a headrest anyway. The chair overall is sturdy and feels like it will last.

Best value on any office chair and comfortable
I bought on sale for $99.00

What an amazing value. Very comfortable chair with good support.

Headrest is too low at max setting and digs into my shoulders. I'm 5'7". The seat still causes me tailbone soreness and pain and the arm rests don't go up high enough. To be fair, the Dexley chair from staples also hurts my butt. It must be me.