Only worn 3 times, in near new condition The METASPEED™ SKY+ racing shoes are designed for stride-style runners who are looking to start fast and finish faster. Runners wearing these shoes will be able to take longer strides while conserving energy with each step. ​ Thanks to an energetic midsole foam and a propulsive carbon plate, runners wearing these shoes will be able to conserve more energy while maintaining their pace at the later stages of the race.