Castelli Nano Shoecover - Black

The Castelli Nano Shoecover keeps the wind, rain and cold away from your feet and ankles. In addition to being waterproof and windproof, the Silicone-coated Lycra fabric used in this shoecover is stretchy, so it covers your foot and gives you the aerodynamics you need for races that depend on speed, like time trials or breakaways. The silicone elastic at the cuff keeps the wind out and maintains the aerodynamic properties of the bootie as the wind picks up. The heavy-duty YKK