Constructed from WINDSTOPPER® X-Fast fabric and Castelli's Warmer fabric the Estremo Skully will keep warmth in but is breathable to allow sweat to escape. Keeping your head warm and cosy this Winter.
- Maximum warmth while allowing vapor to quickly escape
- Windstopper® X-Fast blocks the wind
- Warmer fabric for comfort and warmth
- Covers the lower ears