Neoprene Socks Camping & Travel Tents & Tent Accessories to minimize potentially harmful soundsLowers Size:38 to minimize potentially harmful soundsLowers potentially dangerous noise levels above 85 dBHear safe sound levels (with filter caps out) as if you weren't wearing ear plugsPatented EarLock® retention rings utilize seven contact points to lock earpieces in place and fit the same way every timeSoft memory foam Canal™ Comply Tips provide secure seals in ear canals and all day comfort Made from hypoallergenic Compact clean design small and flexible our Neoprene Socks ensure maximum comfort and warmth Glued and blindstiched