The r5b road shoe features the boa ip1 closure system that makes adjustment on the go quick and easy and its designed to be lightweight and aerodynamic a sailcloth strap allows you to customize the fit around the toes for maximum comfort and minimum movement the r5brsquos carbon reinforced nylon outsole is stiff for power transfer and sculpted to aid aerodynamics and together with the supportive and comfortable firsquozik cycling insole these shoes ensure that every precious watt go