Sirrus X 5.0 Size:M Its PEFC-certified poplar wood core

Its PEFC-certified poplar wood core with Carbon Alloy Matrix reinforcement delivers responsive flex

With its lightweight alloy frame

This shoe is the perfect blend of comfort

helping you feel stable and safe on varied terrain

Sirrus X 5.0 Size:M Its PEFC-certified poplar wood coreOffering an unprecedented combination of comfort, efficiency, and nimble handling, the Sirrus X excels on pavement, dirt, and any terrain in between. SMOOTH, COMFORTABLE, AND EFFICIENT: The patent pending Compliance Junction frame design of the Sirrus X provides the smoothest ride in its class. Engineered vertical compliance without sacrificing lateral rigidity translates to more comfort, control, and efficiency on all roads, paved or gravel. RIDER