New upper design features burrito construction to provide a streamlined fit while keeping your foot secure. Lightweight, breathable mesh and barefoot-friendly design deliver a comfortable and performance oriented fit from early season heat waves to November snow showers. Up the ante in the XC5000v3. This premium cross country spike brings the speed, aggression and attitude of a track spike into the mud for the ultimate racing experience. With a REVlite midsole and a 5-spike configuration for a protective ride and nimble feel, this premium competitive racing spike gives you the grip needed to break away from the pack.