Castelli Pro Thermal 2 Underhelmet – Essential Winter Headwear

Keep your head in the game with the Castelli Pro Thermal 2 Underhelmet. Designed to fit seamlessly under your cycling helmet, this contoured cap provides critical warmth to your forehead and ears during freezing winter descents.

Thermoflex Warmth and Comfort

Utilising Thermoflex fabric, this cap is both warm and incredibly elastic, ensuring a snug fit for all head sizes. The raw-cut, seamless edges prevent the bunching and pressure points often found with thicker beanies, while the flat seams ensure total comfort throughout your ride.

Key Attributes:

• Fabric: Elastic Thermoflex for thermal insulation.
• Design: Contoured shape for full ear coverage.
• Visibility: Reflective elements on the rear for added safety.
• Construction: Flat seams to avoid helmet interference.