They have the Intelligent Hearing Protector. Therefore i had to go and have mine personally made. They start by making molds of your ear and part of canal. In about a week or less I received the actual finished product which will last a lifetime. They protected my ears from load noises. PHENOMENAL JOB!!!!! If you work in a factory, shoot for recreation or sport you have to get yours done. Also while I was there I noticed that they had ear pieces that seem to sync up with smart phone.