Steel frame construction. I would recommend this chair and buy it again.

I have been looking for a great office chair that was more than the standard desk chair and I came across Dxracer. They had a gamer's chair, designed for long hours sitting and playing. The chair looked fantastic with thoughtful additions to enhance the experience if sitting for long periods. This chair was good enough to sleep in! If you want an outstanding chair that you sit in for hours at a time, this is the chair to buy.

Overall quality is good & it is packed well w/good instructions, arrived via FEDEX quickly. As a 6'3", 260lb, man who spends close to 12 hours at his computer (between work and live streaming) I have to say this is pretty comfortable.