Studson Ear Defender Ear Muffs
 
 
The Studson Ear Defender Ear Muffs come standard with a 30 mm universal attachment which slides and clips into place in the integrated slot on the side rail of your SHK-1 helmet.
 
 
Features:
 
 

 
 
Meets ANSI S3.19-1974 noise reduction standards
 
 
Noise Reduction Rating (NRR) = 22 Decibels 
 
 
Easy to mount on the side of your SHK-1 helmet ? so you can protect your head and ears at the same time 
 
 
Easily Adjustable ? To comfortably fit over your ears 
 
 
 
 
Care Instructions:
 
 
Simply wipe down with a clean, damp cloth.