- Large ear cup openings and soft, foam-filled cushions offer a snug, comfortable fit
- Noise Reduction Rating (NRR)*: 20 dB. CSA Class B when the band is worn over-the-head
- Noise Reduction Rating (NRR)*: 22 dB. CSA Class A when the band is worn under-the-chin
- Noise Reduction Rating (NRR)*: 22 dB. CSA Class B when band is worn behind-the-head
- NRR 22 dB (CSA Class B) when band is worn behind-the-head.
- When worn in the over head position NRR 20 dB/CSA Class B.
- 3M is Leading the Advancement of Hearing Conservation