3M™ E-A-Rflex™ banded hearing protector with foam tips features a unique hinged band fits a wide range of head sizes, and can be worn in three different positions. Benefits •Excellent attenuation in all three wearing positions: over-the-head, under-the-chin, and behind-the-neck. •Pivoting, hinged band provides adjustable positions for a more comfortable fit and seal. •Noise Reduction Rating (NRR)* 25 dB (in all three positions). CSA Class AL