Passive earmuffs for shooting ATTHA (thin - goes under the protective helmet)

This pair of passive noise canceling headphones is capable of reducing the volume of ambient noise by up to 25 decibels.
Ideal for shooting and working in noisy environments.
Antiphones can be folded to facilitate transport and reduce storage space.
 
Specifications:
passive antiphones
slim design
antiallergic polyurethane foam sponges
noise reduction: 25dB