COMPOSITION
Cup: ABS.
Cushion: PVC & Foam.
Headband: Stainless steel & EVA.
Norms
Certif. S mark Resolution 896/99
-EN352-1 : Hearing protection : Ear-muff
-Average noise attenuation : SNR 22,1 dB
-High frequency attenuation : H 28,1 dB
-Medium frequency attenuation : M 19,2 db
-Low frequency attenuation : L 11 dB
HIGHLIGHTS
Without headband.
Easy to wear with all safety helmets and caps.