Tempo Overcurve R4 - versatile performance racing shoe for leisure, endurance training and gravel tours with timeless look in partly distinctive colorsThis all-round road cycling shoe is designed to be equally at home on weekend group rides, daily endurance training and testing new gravel tracks. The Overcurve has a shoe construction with an offset collar that wraps around the ankle. The result is an asymmetrical shape. This ergonomic construction, corresponds to the anatomy of the foot. A durable foot support is provided where it is needed most. The Boa twist lock is quick and safe, and can be adjusted with millimeter precision. The R4 outsole made of injected carbon nylon with 15 percent carbon fiber content provides a balance between comfort and efficiency when pedaling. It also offers efficient ventilation through internal air channels, a real advantage for temperature management and microclimate inside the shoe. The R4 outsole is a true all-rounder in use, featuring a lower profile and a shoe plate positioned slightly further to the heel than the traditional placement to optimize pedaling efficiency and reduce compression in the knee. Best conditions for sporty riding!