Castelli Estremo WS Skully Skull Cap – Total protection against wind and cold
Face the toughest winter rides with maximum protection thanks to the Castelli Estremo WS Skully Skull Cap. Designed to offer thermal insulation, wind protection, and high comfort, it is the ideal accessory to wear under the helmet during the coldest days.
Made with GORE-TEX INFINIUM™ WINDSTOPPER® X-Fast fabric, it completely blocks the wind while keeping the head warm and dry. The inner part in thermal Warmer fabric ensures a comfortable feel against the skin, while the longer cut offers extra coverage for the ears, often a weak point in harsh climates.
Main features of the Castelli Estremo WS Skully
Advanced protection from wind and cold thanks to the GORE-TEX INFINIUM™ WINDSTOPPER® X-Fast fabric
Thermal Warmer fabric: soft, warm, and highly breathable
Ergonomic cut with an extended rear part for optimal ear coverage
Perfect under the helmet: thin and snug, does not cause discomfort while pedaling
Highly breathable, prevents moisture buildup even during intense efforts
Technical specifications
Weight: 42 g
Fit: Comfortable
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Materials:
Category: Winter windproof skull cap
Ideal use: road cycling, gravel, MTB, winter commuting
When to use it
Perfect for the coldest months of the year, especially in the presence of strong wind, long descents, or days with low temperatures. Worn under the helmet, it protects the head and ears without bulk.
Don't let wind and frost stop your training. Choose a technical, lightweight, and high-performance skull cap designed for the most demanding cyclists. Protection, comfort, and Castelli quality all in one accessory.
