Cat-Ears are the best selling and most effective Wind Noise* reduction products of their kind - see comparative analysis. They have been independently tested / recommended by Bicycling, Bike Radar, Road Bike Review, and Outside Magazines.Our authentic Polartec® Ear-Covers are designed to reduce wind noise and keep your ears warm during colder rides. They attach easily thanks to Velcro® Brand fasteners. And they can be removed while riding.Cat-Ears products are sound permeable for safe road cycling. "Wind Noise can inhibit one's ability to distinguish traffic noise, often a first line of defense in an urban setting. Cat-Ears don't restrict hearing while others I've tried do." - Adventure Cycling Association. Our materials have been tested for effectiveness / transparency at Antioch University. *Wind Noise is a complex phenomenon spanning aerodynamics, acoustics, and the physiology of human hearing. The amount experienced depends on factors like: 1) speed, 2) riding position, 3) head shape, 4) turbulence, and so on. With Cat-Ears, wind noise levels are reduced by 14-16 dBA between 20 and 20k Hz. This is a reduction in sound pressure level of ~80%. But microphones and ears behave differently. And while the amount of perceived wind noise reduction can vary, we stand behind our products as the most effective WNR devices of their kind on the market."Cat-Ears work dramatically well. I found I was enjoying rides more, simply because I could hear more of what I wanted to, and less of what I didn't." - BicyclingDesigned with air 'flow through' porosity, Ear-Covers dissipate moisture and stay warm.Safer Cycling Through Sound EngineeringTM. Made in USA. Not recommended for Specialized, Nutcase, Bern helmets.Satisfaction Guaranteed | Please contact us for assistance.
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