Castelli Nano Thermal Cap

A traditionally shaped cycling cap but with extra warmth and water protection from Castelli´s Nano Flex 3G fabric.It fits comfortably under a helmet with minimal bulk but adds significant warmth for cold rides.This cap provides a high degree of warmth, especially in temperatures close to freezing and for riders who tend to sweat a lot and need the breathability of Nano Flex.If you´re riding in extremely cold conditions, then look to the Estremo WS Cap.Espeficitations:Cap in traditional shape, made with Nano Flex 3G fabric for stretchy warmth and water repellency.Drop-down earflap.