Choose the Walker's Razor Tacti-Grip Series NRR 23dB Electronic Muffs featuring the Tacti-Grip high-performance silicone composite headband for a slip-free, secure fit. The Full dynamic range HD speakers offer clear, balanced sound for a natural listening experience. Plus, there is no need to worry about external noise - the sound-activated compression and sound-dampening composite housing ensure a calm and focused environment.