Lightweight, simple and highly functional. When you're skiing, ski touring or running on forest trails, the Hydropore Beanie from Jack Wolfskin is everything you want from a hat: top-notch functionality and a tiny pack size. You can stash it in your jacket pocket and just put it on when you need it–even underneath your bike helmet. This beanie is made of a stretchy, high performance Hydropore fabric to ensure outstanding wicking performance So your head will feel dry and comfortable, even when you work up a sweat. The fabric also benefits from a high UV protection factor and a special anti-odour treatment.