The durable Norrona trollveggen Powerstretch Pro Zip Hoodie is a highly flexible and functional mid-layer designed for mountaineering activities. The trollveggen Powerstretch Pro Zip Hoodie is a flexible and comfy insulation layer made for alpine adventures where both the altitude and temperature tend to switch between high and low. The unique mix of polyester/wool blend and Powerstretch Pro provides the product with great properties; the polyester/wool under the arms and in the back has a great thermal regulation, odor reduction and will keep you warm even when wet. The highly durable Powerstretch Pro material will withstand a great deal of wear and tear and provides quick-drying properties. It has a snug and ergonomic fit to maximize mobility in steep and difficult terrain. Other key features include cuff with horizontal thumb hole for comfy fit, 4 pockets; two on the side and two on the chest, a protective hood that can fit underneath a helmet and easily is used together with a harness.