Cycling Shoe Covers can be used for three purposes: * Keep your feet warm * Keep your feet dry * Add on that slick outer layer to make your feet even more aerodynamic. For the very cold winter days, we have full-length booties that block out the wind and insulate your body heat from your toes to above your ankles. For those nippy days that you just need your sensitive toes covered, Tour Cycling offers toe covers. For wet days, we have rain booties that seal out the wetness even on torrid rainy days. On days when you want to beat the clock in a time trial, some of our shoe covers are used by the Castelli Garmin-Sharp Team.