The shimano rt4 spd touring shoes are designed for comfort and style both on and off the bike and are ideal for road touring commuting or indoor cycling the full length rubber sole means that they are easy to walk in and the perforated synthetic leather upper secured with classic laces ensures a snug and secure fit shimano dynalast optimized shoe last the toe spring section of a cycling shoe plays a key role in supporting efficient pedaling extensive research by shimanos rampd