On Cloudultra 2 Women's White WolfA cushioned, all terrain trail shoe for long distances and ultrarunning, with soft Helion superfoam and Missiongrip. With softer Helion superfoam, this second generation trail shoe delivers a smooth and comfortable ride on tough terrain. Plus, for an easier step in experience, we've added a knitted sock upper made from 100% recycled polyester. It also does a neat job of keeping dirt out while allowing air in. The new Missiongrip outsole and updated