Carbon-fiber technology takes to the trails with The North Face Flight Vectiv x Travis Weller edition| The 3D-molded heel cup and carbon fiber plate in the midsole adds responsive| multi-directional support to your trail run| so you can reach top speeds on any terrain| The dual density midsole delivers a cushioned feel across your foot| The rearfoot is firmer than the forefoot| effectively using your foot's natural motion to create a powerful rocker that propels you forward with each step