The inner head band and outer shell of the ear cups are aluminum and the rest is plastic and synthetic leather. I suffer from a bit of diagnosed hearing loss due to improper hearing protection so you might find the sounds from these Peltor 100s even louder (my wife found each level louder than normal). ar1648 I was expecting much worse little chafing spots only had a couple the webbing was actually very accommodating. I am using the heat-shrinking method for over 15 years now and cant stop loving it! ar1648 They were easy to install and I can move them to a new location if I want to. ar1648 Loop around my ears and dont move a bit. They sat brand new in my closet for over a month. These loafers are so comfortable! ar1648 These have to be knock off Dockers. Let me explain.
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