Mammut Snow Zip Longsleeve Top - Men's 78% Polyester, 22% Elastine The Mammut Men's Snow Zip Longsleeve is a great midlayer option for skiing and snowboarding. This jacket's durable and fast-drying outside is high quality and made to last. The soft and warm inside of this jacket will keep you nice and toasty on the slopes. This long sleeve top is great for areas such as alpine skiing, boarding, winter hiking, and snowshoeing. The athletic fit of this midlayer top provides just the right amount of freedom and movement for your daily adventures.