Shimano r170 road spd sl shoesshimano footwear is as technologically innovative as the components theyre known for get the right gear for your needs and the conditions with shimanos no compromise attitude to using the best materials for unrivalled performance and comfort featuresfull featured light weight performance shoesupple stretch resistant synthtic leather upperopen mesh for optimal breathabiltylow profile micro adjust buckle and dual off set straps for easy and accurate adjustmentenha