Shimano cleat coversShimano SM-SH45 Shield Covers - Wear Protection for SPD-SL Shoe Cleats Shimano SM-SH45 Protector Covers for SPD-SLShimano's protective covers for SPD-SL shoes protect the SPD-SL cleats from excessive wear while walking. They are made of rubber and serve to cover the cleats of the shoes. The protective covers are suitable for all types of Shimano SPD-SL shoes.