Stratus Storm Cell Under Helmet Hat ski map It combines with soft seams

It combines with soft seams on the brief liner that help reduce chafing

Whether you're breaking trail or tackling steep backcountry lines

100% waterproof and breathable GORE-TEX® insert

thanks to its high-modulus polyethylene construction

Stratus Storm Cell Under Helmet Hat ski map It combines with soft seamsDesigned for high output ski missions, the StormCell Under Helmet Hat delivers warmth and versatility in cold conditions. Made from 100% premium merino wool, it provides lightweight insulation, superior moisture management, and all day comfortwhether you're skinning uphill or charging down. Perfect under a helmet or on its own, this sustainably crafted, biodegradable layer keeps you warm while keeping your impact low.