Pro Thermal 2 Skully Skullcap

Castelli Pro Thermal 2 Skully Skullcap The Castelli Pro Thermal 2 Skully Skullcap is an essential cold-weather cycling accessory for those of you who venture out even in plunging temperatures. Made from Castelli's warm Thermoflex material, it features a contoured shape to cover your ears while raw-cut edges give a low bulk finish that sits smoothly under your cycling helmet. Flat-lock stitch is also deployed, preventing irritation.