The CORE PLUS 2 road bike shoes by NORTHWAVE are versatile all-rounders. Their revised S.L.W.3 dial ensures even more precise and easier adjustment to your foot. With their fibreglass reinforced soles, these cycling shoes provide optimal power transfer toRoad shoes with a BIOMAP UNIBODY upper construction featuring minimal seams for an even better fit and great ventilation� Fibreglass reinforced NRG AIR CARBON nylon sole with strategically positioned vents and a stiffness index of 8.0� S.L.W.3 dial with step by step and full opening release with just one single trigger� Additional Velcro strap� REGULAR FIT� Compatible with road bike pedal systems using cleats with 3-bolt standard, such as: Look Delta and Keo, Shimano SPD-SL, Speedplay Light Action, Zero, X-Series (with 3-bolt adapter plate), Campagnolo Pro-Fit, Mavic Zxellium, Time Iclic/Xpresso and Time Im--