Stratus Storm Cell Under Helmet Hat ski map some base scratches and light

some base scratches and light top sheet damage

This book collects the scientifically backed and athlete-tested wisdom and experience of three of the best uphill athletes and coaches and extrapolates both to educate outdoor athletes of all stripes to perform their best

the updated Race Vest brings a dynamic fit

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

while VIBRAM® Litebase reduces sole weight by 30% without compromising durability

Stratus Storm Cell Under Helmet Hat ski map some base scratches and lightDesigned 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.