Pro Ears Pro Series Ear Muffs: * The Pro Ears Pro Series Ear Muffs preset are at 15 decibels of amplification for operation in a continuously noisy environment * No high frequency filtering to help those with high frequency hearing loss * Highly versatile cup, multi-purpose design * Hearing protection reviews consistently rate the Pro 300 as a best value * Available with behind-the-headband for use with full brim hats at total weight of 7.7 ounces * NRR 26 - Weight: 9.1 ounces * Three year warranty