The R4B Donna features Volume Control Technology and the Extended Power Strap for quick and easy adjustment to create perfect fit for comfort and performance.
Materials: Microtex Laser Perforated
Outsole: Injected Composite Carbon Vented
Closure System: Boa IP1-A and Micro Straps
Insole: fi’zi:k Cycling Insole
Weight: 254g (size 42.5)