Product description the hyper takes storm busting protection to a new level of comfort and fit with a lighter softer evolution of mizunos own japanese made impermalite 10 000mm waterproof fabric soft and sleek against the body the hyper also features an intelligent waterproof membrane which physically responds to colder conditions retaining a greater proportion of body heat when most needed the hyper is mizunos highest level of japanese engineered fabric impermalite is engineered and exclu