The Radians Omni hearing protector allows you to hear the sounds of the outdoors without having to expose your hearing to harmful muzzle blasts. This hearing protector automatically compresses harmful impulse or continuous noises to a safe hearing range below 85dB, without clipping or cutting. The electronic earmuff design has four independent, high frequency, directional microphones, giving you hearing protection with the added benefit of sound amplification. The Omni hearing protector has a noise reduction rating of 29dB and features and adjustable CoolMax headband that moves moisture away while providing cool comfort.