The SureFire EarPro EP3 Sonic Defenders Large Earpiece (Black, 1 Pair) is designed to protect your ears from loud noises above 85dB, while still allowing you to hear everyday sounds that fall within safe volume levels. Sonic Defenders are perfect for use by factory workers, musicians and anyone else in situations where sounds can reach dangerous volume levels.
SureFire's special design filters out the harmful noises with their patented Hocks Noise Braker Filter. However, when you use the attached stopper all noise is blocked. It is made from a hypoallergenic polymer and are ergonomically designed for a comfortable fit that can be worn under helmets, masks, hats, headsets, or while on the phone.