The NEW Wire is 100% pure performance with zero compromise, SIDIs latest go to shoe for WorldTour athletes and pros everywhere. Wire features an ALL NEW Tecno 3 closure system utilizing an exceptionally supple, low friction line material for unimpeded action without binding. It provides extremely even pressure distribution across the entire foot, for perfect fit with uncompromising comfort and pedaling efficiency. Tecno 3 micro ratcheting buckles allow easy one click adjustment in either direction, for simple fine tuning on the fly. Snug em up, and youre ready to throw down.