Otis Technology Ear Shield 31 Hearing Protection Scout S31 Lightweight Black Otis Technology presents a smarter way to protect your hearing while improving your response to range commands and other communication. EarShield™ Scout’s 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™ Scout’s compact design won’t get in the way of achieving the proper cheek weld. Improves communication Eliminates stock interference Cool and comfortable No batteries required Lightweight and collapsible Adjustable to fit any shooter