NRR Sound Technology: designed with 2 layers of professional noise dampening foam, high sealing solid cup and the unique double-shell, the ear muffs offer a high SNR of 34dB for noise cancelling. Ansi S3. 19 & CE en352-1 Certified: lab tested and certified to us and European standards. Professional ear defenders for hunting season or shooting at the gun range. Adjustable Headband Design: Designed with retractable stainless steel at the end of headband, The ear muffs can be adjusted to fit all sizes. .
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