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Fizik R4B Donna Boa Carbon Shoe
The R4B features Volume Control Technology and the Extended Power Strap for quick and easy adjustment to create perfect fit for comfort and performance.
It is complemented by a combination of a single Boa IP1 and micro-strap closure system and injected composite sole.
Material: Microtex laser perforated
Outsole: Injected Carbon Vented
Closure system: Boa IP1-A and Micro Straps
Insole: Fizik cycling Insole
Weight: 215 g (38.5)