The Fizik girls’s R4B Donna Boa Shoes are, necessarily, a rather much less “professional” model of the R1B shoes turning cranks within the peloton for 2016. Like its professional-tier counterpart, the R4B has a low-lower ankle profile that permits for unrestricted pedaling movement and is helping to trim a few grams off the full weight. Not like the R1B, the R4B’s outsole is a carbon-injected nylon, and as an alternative of a whole realization of the Extent Keep an eye on machine, the R4B options an uneven wrapping closure. The R4B’s fastening machine is constructed on a single Boa IP1 dial that attracts the higher around the foot, wrapping it moderately than simply cinching it down. This is helping get rid of lengthy-trip pain by means of flippantly distributing the power throughout all the foot. Even as we would possibly not be shocked to look this uneven design in the end seem throughout Fizik’s shoe line, best the highest-tier R1B currently includes a equivalent development. The shoes are completed with hook-and-loop straps around the metatarsals and toe field, permitting focused Extent within the spaces which can be at risk of pain due to limit.
Higher Subject matter: microtex
Closure: Boa IP1, 2 hook-and-loop straps
Footbed: Fizik Biking Insole
Sole: Injected composite carbon vented
Cleat Compatibility: 3-bolt road