The Castelli Pro Thermal 3 Skully is a lightweight thermal cycling skull cap designed to keep your head and ears warm during cool and cold-weather rides. Made from Thermoflex fabric, it delivers soft insulation, excellent stretch, and a low-profile fit that sits comfortably beneath a cycling helmet.
Key Features:
- Thermoflex fabric provides excellent warmth, softness, and stretch.
- Contoured design fully covers the ears for added cold-weather protection.
- Flat-lock stitching minimizes chafing and enhances long-ride comfort.
- Raw-cut edges lie flat under a helmet without bunching or creating pressure points.
- Breathable fabric helps regulate temperature and wick away moisture.
Who is it for?
Commuter cyclists looking for a lightweight thermal skull cap that provides warmth, ear coverage, and a comfortable fit under a helmet during cool and cold-weather rides.
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