Nike Men's Zoom Victory XC 2 Atomic Red/Newsprint/Lime Track Shoes US 11 New dynamic Flywire technology: Provides targeted support and strength to lock the foot in place for a secure, and customized dynamic fit Flashlon foam coupled with a carbon-fiber midfoot shank: Enhances torsional stability and support through the midfoot Internal, for foot Pebax plate houses six spike receptacles coupled with additional Waffle outsole lugs: Provides superior traction and speed