3M PELTOR Optime III Helmet Mounted Ear Muffs H540P3G-413-SV, 34 dB Brands | Petzl Breathable

Breathable

they feature two front pockets and one buttoned back pocket

Venting channels allow for air flow around and below the bag making for low force liner removal (force required is reduced by up to 50%)

stability and more durability

Certified to EN ISO20345 S3 SRC norm

3M PELTOR Optime III Helmet Mounted Ear Muffs H540P3G-413-SV, 34 dB Brands | Petzl BreathableThe Peltor by 3M H540P3G 413 SV earmuff is a high performance hearing protector and has been developed for use in extremely noise work environments. The protection is based on a technology with a Double casings technology, helps minimise resonance effect. An acoustic connection between the inner volume and the volume between the casings in its turn provides low frequency attenuation. Large space inside cup helps reduce moisture and soft wide cushions