The Shimano SH-R191L is a featherweight shoe developed for long training rides and elite races, featuring a rigid carbon sole for precise, efficient power transfer. Advanced, stretch-resistant synthetic leather upper combines with 3D moisture control mesh panels to provide premium support and breathability, while a curved anatomical last creates a natural shoe-to-foot interface. Oversized, micro-adjust buckle and dual offset straps eliminate pressure points. 264 grams (size 40.) 40-48, with half sizes from 40.5-46.5.