Made from 100% unidirectional carbon with a stiffness index of 15 the sole has been developed to optimize the power transfer to the pedals thanks to the exclusive high tail structure and the patented Powershape system.Features- Greater vents maximize the air flow in and out- The upper features the underlap construction to enhance the wrapping fit with a uniform closure- Laser cuts to optimize ventilation and thermoregulation of the feet- Anatomic Reticular Support (ARS 2.0) technology provides extra support ensuring a correct position of the rider's foot- The heel grip with its oriented fibers prevents the foot from slipping out the shoe for a firm fit- Double SLW3 X-Dial micrometric adjustment closures- Two double density footbeds are provided to make the fit even more customized. 5 mm (slim fit) and a 3 mm (regular fit)- The rubber heel pads are replaceable