The castelli diluvio shoe cover 16 offers a quality protection and is ideal for the winter month this overshoe has been geometrically designed to fit around the shoe and deliver ultimate responsiveness castelli have kitted this cycling overshoe out with the latest in fabric and thermal technologies to provide you with a high performer that will defy the cold winter elements featuring a 16cm cuff and waterproof zip this castelli overshoe fits comfortably around your ankle without restricting