The unique construction used stands out for its high coefficient of traction, which allows for a stable stride when running in adverse weather conditions or on difficult terrain. The outsole material offers excellent cushioning and high energy return to make your run comfortable and safe, no matter what terrain you're on. The shoes are designed with a focus on safety, so they provide exceptional stability to prevent injuries and trauma and protect your feet during intense training sessions. The shoes are designed for people with neutral feet, who do not need additional supports or elements to correct rolling, as this type of foot distributes weight evenly. Speedboard™ A flexible insole located in the midsole that stores energy when flexing and returns it when pushing off, providing a more dynamic ride. Helion™ Helion™ technology is an innovative foam used in running shoes from the Swiss brand On Running. It makes the shoe more durable and lightweight and features higher cushioning and an explosive stride.