Its innovative construction with a full one piece seamless upper and a reinterpretation of the classic lace closure, guarantees exceptional comfort and ultimate breathability. In addition, the unique Engineered Knit technology eliminates pressure points and fits like a glove. To make this shoe even better, we tested it with Tadej, adding the new Anatomic SL sole and an even lighter upper.  KRSL are practically the fastest lace cycling shoe on the planet.