The Castelli Pro thermal headband is made to be easily worn under your helmet, keeping your ears and forehead warm. The raw cut means you will hardly feel it, while the Thermoflex fabric will ensure thermal insulation, while also keeping you dry.

FEATURES

• Thermoflex is warm, soft and elastic
• Flat seams
• Shaped to cover the ears
• The raw cut edge is flat and not cluttered under the helmet
• Rear reflective details