Fizik R3 Aria Shoe 45.5 Black/BlackThe Fizik R3 Aria Shoe uses two Boa dials to let you get the most comfortable fit imaginable with great efficiency. These Boas use light steel-coated nylon laces and have ultra light plastic lace guides. The Microtex Upper is laser perforated and only 1.2mm thick for support, ventilation, and comfort. The Uni Directional Carbon Fiber Outsole is super light and quite stiff for an excellent power transfer. There is a replaceable double heel-stud to extend the life of these shoes. The Fizik Cycling Insole is lightly cushioned and keeps your heel in place. Approximate weight: 243g (size 42.5). Available in sizes 37-48. Available in Black/Black,Black/Red,White/Black and Navy/White.F1707188
