A fast and light shoe, with a perfect fit, this is ready for the morning run, a stroll through the city or comfortable, every day wear.Dynamic Traction Technology is a patented traction system that allows for maximum surface and traction on dry surfaces and the performances of larger lugs on wetter, muddier ground.The OS Tendon in the construction of the shoe ensures that there is a healthy adaptability when energy is transferred. This makes the shoe more comfortable while in use and is far healthier in the long-term.Endofit is an internal sleeve that sits over the top of the foot. It delivers seamless comfort and intuitive feedback.Contragrip is a unique traction technology that provides grip and durability to the outsole of the shoe. By combining a rubber compound, with greater sole density and innovative lug geometry the shoe can deliver greater grip, while ensuring there is long-lasting performance.