Engineered for riders, Pinlock earplugs reduces wind noise while riding to a safer level, using its integrated advanced precision filter. The advanced precision filter blocks wind noise harmful to the ear without causing muffled hearing, allowing the rider to pick up on important sounds such as conversations, emergency vehicle sirens, horns and sounds from approaching vehicles. Pinlock earplugs are made from medical grade silicone-free materials, making it more comfortable for riders to have it on. The advanced precision filter is removable, making it easier to clean the earplugs. All Pinlock earplugs come with 2 sizes in the box, to offer riders with different ear sizes a better fit.