A super trainer for long runs and tempo runs. The CloudTec cushioning system has been engineered for a highly responsive ride. jp 22 22.5 23 23.5 24 24.5 25 25.5 26 26.5 27 27.5 28 29. us 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 12.