I’ll second all the recommendations for Howard Leight electronic ear muffs.
https://www.amazon.com/gp/product/B001T7QJ9O/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
Muffs are not for everyone. In my case, they interfered with the proper mounting of the shotgun on my shoulder and I was subconsciously adjusting my head to accommodate for them. That was noticed by a shotgun instructor I was with one day.
I had to switch to foam ear plugs........