Gaerne viper carbon mtb spd shoesgaernes high end performance ready mtb shoes will help you climb onto the podium packed with technology these mtb shoes feature a lightweight and stiff carbon sole for maximum power transfer through your transmisison and have superb breathability so your feet are always cool and comfortable in the heat of battle solemtb carbon sole tested on the feet of the sports best professional athletes this new gaerne sole represents the highest achievement in terms