Castelli team sky toe thingyteam sky will be the only worldtour outfit wearing castelli clothing such as the toe thingy and will race and train in the brands kit resists rips and tearscastellis toe thingy keeps your feet warm without worrying about a full shoe cover the toe thingy slips effortlessly over the front of your shoe and held in place by the cleats the rugged underside adds grip and resists rips and tears courtesy of the silicone print you can wear the toe thingy on its own or as