Mammut Men's Brisk Jacket:
If you tend to go ballistic, don the Men's Brisk Jacket from Mammut which is designed for everything hyper-active. This supper light WINDSTOPPER® Soft Shell jacket is incredibly breathable, blocks the wind, and stretches with your every more. With low packing volume, the Brisk Jacket makes a fantastic light layering shell for multipitch climbing, hiking or trail running. When you're on the move, its GORE® WINDSTOPPER® fabric prevents the wind from zapping your core warmth, and features pit zips to help regulate excess steam if you begin to overheat.