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
$ 55.09
$ 42.38
$ 79.00
$ 82.30
$ 63.31
$ 56.90
$ 43.77
$ 86.28
$ 66.37
$ 50.00
$ 68.28
$ 52.52
$ 57.00
$ 53.95
$ 57.00
$ 40.00