Whether we're into hiking, backpacking, or mountaineering, the Mammut Alto Guide HS Hooded Jacket is ready for mountain weather. This technical shell features 3-layer Mammut Drytechnology Pro fabric, which is windproof and waterproof as well as highly durable and highly breathable. The Alto Guide also impresses with smart design features that accommodates our technical mountain pursuits, such as water-repellent zippers, pre-shaped sleeves for climbing mobility, climbing harness-compatible pockets, and underarm vents that release excess heat and moisture vapor to limit sweating and overheating. On top of that, this hoodie has been certified for materials and processes that minimize its impact on the environment.
