Perfectly fitting with class-leading comfort and unmatched power transfer the Infinito R1 road cycling shoes deliver ultimate race performance. Infinito R1 s new Infinito Closure System superior stiffness weight-saving materials and the intelligent implementation of new technology combine for the pinnacle of performance road shoe design. With Dynamic Arch Support technology s structure and the Increased Volume Control system which shapes the whole shoe s upper directly around the foot s profile Infinito R1 fits any rider precisely easily and comfortably. The Infinito Closure System uses two micro-adjustable double Boa IP1-B dials with steel-coated nylon laces in an infinite configuration that adjusts the upper on the forefoot. The textile guides eliminate pressure points providing optimum adaptable comfortable fit for high-power high-intensity riding. Infinito R1 s 1.2mm Laser Perforated Microtex upper features minimal seams and stitching and is the ideal blend of breathability strength flexibility and support. It harmonises with the new mesh footbed insole for the best possible ventilation and enhanced comfort. Its laterally stiff light Uni Direction Full Carbon Outsole is ventilated for maximum temperature control and designed for ultimate power transfer from any riding style. Infinito R1 is fizik s range-topping shoe and benefits from the latest technologies materials and improved design based on feedback and input from some of the world s leading pro riders. Features: R1 full UD carbon outsole: ultimate stiffness and lightness tuned for max power transfer Infinito: advanced volume control of the fore-foot area Dynamic Arch Support: customized fit of the plantar arch Specs: 2x BOA IP1-B dials R1 outsole � full carbon unidirectional Replaceable heel skid plate Weight: 232 g (size 42.5) Stack height: 8.7mm Sizes: 37-48 (37 to 47 also in half sizes)