The Men's Alto Guide HS Hooded Jacket from Mammut is a 3-layer shell jacket with stretchy Mammut DRYtechnology™ Pro that is waterproof and has good breathability. Alto Guide has a two-way zipper and pit-zips that make it easy to open the jacket for ventilation.\n\nRobust, windproof and waterproof 3-layer Mammut DRYtechnology Pro material made from 100 % polyamidePolyamide membrane based on natural raw materialsHelmet-compatible hood with reinforced peak and 3-point adjustmentRobust, water-repellent YKK Vislon® 2-way front zipperChest pocket with water repellent zipper2 climbing harness-compatible front pockets with waterproof zippersUnderarm ventilation with water-resistant zipperPre-shaped sleeves with hook and loop fastenerHem width can be adjusted with drawstringFabric: 100% Polyamide Mammut Men's Alto Guide HS Hooded Jacket Black | Buy Mammut Men's Alto Guide HS Hooded Jacket Black here | Outnorth