The Mammut Satnitz Jacket is a plush, snuggly soft fleece zip jacket. It is great for layering or wearing on its own. The jacket is lightweight and packable and features 2 zippered pockets and a sculpted collar.Plush, snuggly soft fleece jacket. Perfect for layering or on its own. 100% Polyester high loft fleece. Lightweight and packable. Lycra? cuffs and hem. 2 zippered hand pockets. Full front zip with sculpted high collar. Imported Ave Weight: 380 grams, 13.4 oz.