It depends what you want besides hearing protection . If you prefer total isolation from start to finish , that will take you one way , if you want to have the ability to have normal hearing , then cut off the bang , that’s another choice . Next is do you want to be able to amplify ambient noise ? , perhaps hear a distant trap spring or the wing beats of a pheasant breaking cover ? . Then let’s look at your eyewear , are you comfy with ear defenders over your spec frames ? Are you shooting just clays , where you may prefer to easily switch off electronics on the stand , or game as well where you might want 360 awareness .
Me , 95% of the time MSA Sordin Pro X ear defenders ( Sordin make Swatcom ) gel ear seals , on the odd scorching day , custom moulded passive plugs .
Ps with electronic over ear muffs , you get what you pay for .