3M Peltor X4P3 Headband Hearing Protection Boots Lower hole is angled to

Lower hole is angled to keep the device flat

Efficiency: 85 %

The unique locking device is opened by depressing the lever with your thumb while griping the biner

clip the carabiner into your main attachment point and walk up the rope

A full face metal mesh visor to suit the Kask Zenith helmet

3M Peltor X4P3 Headband Hearing Protection Boots Lower hole is angled toTHE LOWDOWN These X4 earmuffs by 3m Peltor are rated at 27dB (Class 5). They feature a slim line design so they wont get in the way. TECH SPECS SLC80 27dB Class 5 TREEGEAR TAKEAWAY Just what you've wanted in hearing protection! Low profile AND High level hearing protection! The next generation of hearing protection. Incredible noise reduction given the unit's size.