Otis Technology presents a smarter way to protect your hearing while improving your response to range commands and other communication. EarShield's new Sound Reduction Chamber Technology changes the sport shooter experience. Now you can shield your ears from high-decibel noise comfortably while hearing other sound frequencies such as speech, clearly, without removing your gear. Unlike muffs, EarShield's compact design won't get in the way of achieving the proper cheek weld.