The FuelCell midsole is designed to deliver high rebound| and it's complemented by a full-length internal carbon fiber plate that helps to provide an engaging ride| The sleek| breathable upper is designed to help keep feet cool and dry from 5K to 26|2| FuelCell foam delivers a propulsive feel to help drive you forward Full-length internal carbon fiber plate Synthetic/mesh upper Suede collar and eyerow details for a soft| premium feel Dot printed NB logo Lace closure Designed to be worn for anything from training to race day