Pomms are designed to allow horses to hear normal tones, while greatly reducing distracting or loud noises. Pomms "comfort plus" design protects your horse's sensitive ears from wind, water, and debris. They are washable, re-usable, won't fall out, non-irritating, soft, pliable, discreet, and durable. Made in the usa! These are great for the show ring or for nervous horses while schooling outside.