I bought this chair after injuring my lower back and pelvis hoping that it would provide good ergonomic support. It has an nice curve to the back and a fair amount of cushion to provide such support but I cannot fully utilize these features due to my height and width. First I am 5'6" and can only reach the ground with my toes when seated fully back even when the chair is in the lowest position. I've always thought that 5'6" was a fairly average height for a woman but I'd say this chair was made for someone at least 5'8"/9". Second as a somewhat slender person at 120 lbs the arms of the chair are too far apart for me to reach comfortably. My father tried it also (5'9" 160 lbs) and had the same issue. Wish I could've tried this chair in person as I would not have bought it then. Unfortunately with a fractured pelvis I couldn't get out to the store and was in urgent need of anything other than a bed and couch for sitting so haven't returned it. At least it was cheap.
I'm 90% happy with the chair. My only complaint is the arm rests... the seat won't lower enough to get the arm rests under a standard height desktop that's only an inch thick and if you fold the arm rests up they stick out approximately 5" near your shoulders and are not flush with the back of the seat. Otherwise it is a comfortable chair.
I brought 2 actually. Red and black also the blue and black. My kids loved them. I even personalized them by adding their names to the head rest . Good quality and comfortable chairs. They use them as office chairs for virtual school.
This is a great buy. Easy to install delivered right away came next day. So comfortable. I can game for hours has not been uncomfortable yet. It can also be your office chair to.