Otis' Ear Shield is lightweight, collapsible, and features sound reduction chamber technology which allows you to shield your ears from high-decibel noise comfortably. It also improves communication, eliminates stock interference, and is adjustable to fit any shooter. This model has 26dB.
Specifications:

Type	Earplugs
Color	Black/Gray
NRR	26 dB
Quantity	1 Pair
Style	Behind the Ear
AFT Circuit
Battery
Compression Circuit
Material