Wind noise on a motorbike produces noises levels up to 105dB; levels can reach 130dB for motorsport spectators. Permanent hearing damage can occur from 85dB so it is essential always to use hearing protection. The Auritech Biker Hearing Protectors reduces wind and road noise. These allow communication, intercom use, enhances situation awareness, are comfortable, washable and re-usable, offer ideal protection for bikers and motorsport. Developed over 20 years by leading experts, Auritech BIKER Hearing Protectors are superior to traditional foam, wax or silicone earplugs. Precision-tuned, patented ceramic filters ensure maximum protection from dangerous levels of engine, wind & road noise. Unique filtration allows conversation, sirens and horns to remain clearly audible, with no muffled effect. Comfortable and suitable for all ages - ideal for bikers and other motorsport enthusiasts. Auritech BIKER Hearing Protectors are precisely tuned for optimum attenuation at the frequencies required by motorsport enthusiasts, particularly motorcyclists.The independently measured mean sound attenuation (EN352-2:2002) is 29.6dB at the higher (most damaging) frequencies.