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Castelli Nano Shoe Covers

Castelli Nano Shoe Covers
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The Nano Shoe Covers are Castelli's most versatile booties. They're made from stretchy silicone-coated Lycra so they're completely windproof, waterproof and warm. And their snug fit and low profile makes them highly aero, perfect for time trials. They also have silicone elastic cuffs that seal out the weather and heavy-duty zippers for easy on/off.