Here's an amazon link I think https://www.amazon.com/Modern-High-Back-Executive-Chair-Headrest/dp/B00BTYQWNA
I think the style is Office High Back Mesh Executive Chair
https://www.amazon.com/Techni-Mobili-High-Back-Executive-Headrest/dp/B00BTYQWNA Is it this one?
Techni Mobili mesh chair