The Castelli Estremo WS Skully has been designed for those cold, cold days when you still want to get out on the bike and you value wearing your helmet.
The Castelli WS Skully features Windstopper X-Fast Fabric to block out the wind and keep you from getting brain freeze. The longer back combines with Castelli jacket collars to provide a draft-free neck closure.
Warmer fabric in non exposed areas aids comfort and breathability while minimizing bulk.