Castelli Estremo WS Skully – Under Helmet Cap

The Estremo WS Skully Under Helmet Cap was designed for the coldest conditions. Ideal for low temperatures and bad weather.

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Features

• Maximum warmth while allowing vapor to quickly escape
• Windstopper® X-Fast blocks the wind
• « Warmer » fabric for comfort and warmth
• Covers the lower ears

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Technologies

WINDSTOPPER®
This soft, 4-way stretch Windstopper® fabric is extremely lightweight and breathable.

• Breathable outer and inner shell keeps the wind out
• Windstopper® technology makes it ideal for use in cool weather

WARMER
Warmer is more than a name, it’s exactly what the fabric delivers during workouts. Its fleecy inside keeps you warm, while 100% polyester fibers quickly wick sweat away. It’s the fabric of choice when thermal insulation is equally important as moisture management.