Castelli Estremo Thermal Winter Skully

The Castelli Estremo Thermal Winter Skully is a thermal skullcap designed for cycling on the coldest winter days. Lightweight and comfortable, it provides effective thermal insulation, protecting your head and ears without compromising moisture management.

Thanks to the combination of technical materials, the skullcap ensures maximum warmth and promotes rapid moisture vapor escape, helping to maintain a feeling of comfort even during high-intensity cycling activities.

Thermal protection and breathability

The Castelli Estremo Thermal Winter Skully uses Polartec® AirCore™, a fabric developed to offer wind protection while maintaining good vapor management capabilities.

• Polartec® AirCore™: protects from wind and helps maintain body heat.

• Warmer fabric: used on the back for additional comfort and warmth.

• Full ear coverage: protects one of the most exposed areas to cold during winter rides.

• Moisture management: promotes rapid vapor escape to maintain comfort during activity.

The construction is designed to ensure thermal protection without excessive moisture buildup, making the skullcap suitable for both road cycling and winter biking activities.

Fit and weight

The design of the Castelli Estremo Thermal Winter Skully features a Regular fit, designed to offer a balance between comfort, protection, and freedom of movement.

• Fit: Regular.

• Weight: 36 g.

Weighing only 36 grams, the skullcap feels light when worn and can be easily used under a helmet without adding significant bulk.

Comfort even on the coldest days

The full ear coverage, combined with the wind protection of Polartec® AirCore™ and the Warmer fabric on the back, makes the Castelli Estremo Thermal Winter Skully an essential accessory for winter cycling.

It is designed for those who want to keep cycling even in rigid temperatures, keeping head and ears protected from the cold while simultaneously promoting moisture management during exertion.