Are you looking for more support and comfort and want to run with sustainable materials? Then the ON Cloudrunner 2 Waterproof running shoe is a must-have that will inspire you to keep running. Revised waterproof uppers, Helion Superfoam and a new outsole that won't pick up stones make the shoe even lighter. Stability and support are provided by a robust heel clip and additional reinforcements. The Helion Superfoam midsole provides softer cushioning and better energy return.