Lightweight high-performance road shoes with unparalleled power transfer benefitting from S-PHYRE trickle-down technology Upgraded upper pattern and material improves fit and breathability while reducing weightSurround wrapping upper structure reduces overlap providing a glove-like fit and eliminating hot-spotsSuper low stack height helps stabilize foot maximizes power transfer and efficiencyIntegrated sole and upper construction sets a new level of fit stability rigidity and lightweight performanceMesh/TPU/Synthetic leather composite upper provides comfortable fit and better breathabilityLight carbon fibre reinforced nylon sole for power transferBOA® L6 skeleton dials ensure precise fit and comfortWeight: 240g (size 42)Stiffness rating: 7