http://www.amazon.com/dp/B001T7QJ9O/..._df_B001T7QJ9O
Howard Leight. $45 is affordable to most, I would think. To get cheapos you will want to replace if you stick with it will cost you within $15 of that anyways.
I prefer the electronic ones...much more convenient if you will be talking to those around you and to hear range commands.