Louis Garneau T-Flex 2LS Shoes Black-All Sizes 100% Carbon T-FLEX: Designed to increase stiffness Dual density lugs: Offer both rigidity and traction and allow for better mud evacuation Removable studs under toe cup: Better adherence and protection to front outsole T-FLEX technology: Provides flexibility at the toe area for easy running and preventsheel pressure BOA L5 double rail quick attach system: Quick attach, distributed pressure andultra light