A mountain running shoe, ideal for off-road running in long and medium distance training thanks to the exceptional shock absorption provided by the innovative high-energy performance technology Infinitoo ™. Every detail, from the upper to the sole, has been designed to enhance foot comfort, with a comfortable fit designed for use in ultra-marathons, a surrounding and soft elastic tongue for maximum freedom of movement, and internal protectors for protection against rocks and mud. A concentration of technology inspired by those who run seeking their limits and seeking themselves.