Cushion: Foam.
Headband: ABS.
Standards
(EU) 2016/425
SNR 26DB Average.
H30: high Frequency
M24: Medium Frequency
L15: Low Frequency
USA
ANSI S3.19-1974 American National Standards Institute
NRR21dB NRR- Noise reduction rating
$ 55.05
$ 71.57
$ 55.05
$ 71.57
Standards
(EU) 2016/425
SNR 26DB Average.
H30: high Frequency
M24: Medium Frequency
L15: Low Frequency
USA
ANSI S3.19-1974 American National Standards Institute
NRR21dB NRR- Noise reduction rating
$ 90.00
$ 71.99
$ 85.41
$ 65.70
$ 118.00
$ 35.40
$ 85.94
$ 66.11
$ 71.57
$ 55.05
$ 81.00
$ 90.18
$ 69.37
$ 38.00
$ 34.20
$ 70.00
$ 56.00
$ 84.25
$ 64.81