The Mizuno Enerzy Runnerz 2 is a versatile, neutral running shoe that provides a soft, cushioned, and energetic ride for daily road training. It is designed for runners seeking a balance of comfort and responsiveness, making it suitable for both beginner athletes and those looking for a dynamic shoe for short to medium distances Mizuno Enerzy Midsole: The core technology, this foam provides a unique combination of softness underfoot and high energy return (15% more than previous materials), absorbing shock and offering a propulsive feeling with each stride.