Optimized for Click'R integrated pedal system. UPPER: Natural leather provide upper stiffness and durability. Classic lacing closure for even tension and walking comfort. Reinforced toe area for protection and duality. Shoelace keeper loop keeps shoelaces neatly tucked away. INSOLE: CT insole, comfortable shock absorbing EVA cushion insole. LAST: Performance Tour last for comfortable fit on and off the bike. SOLE: Shock absorbing EVA mid sole matched with flexible ladder shape shank plate enhances Walk+Ride comfort.