You're not hitting the bunny slopes, you're planning on a long (and awesome) day at altitude, and you need a high-tech, insulated jacket like the Men's Shadow Jacket that can keep up. The 700-fill-power down insulation with water-resistant Down Defender treatment will stay warm even when wet, while the waterproof and breathable Marmot MemBrain fabric keeps you dry and comfortable in less than perfect weather. Heat-releasing PitZips help regulate your temperature. Reinforced shoulders and sleeves add durability where you need it.

• 10k/10k Marmot Membrain 2-layer waterproof/breathable fabric repels water and reduces internal condensation
• 700 fill power down for lightweight warmth and compactability
• PitZips provide ventilation to regulate body temperature
• Removable hood with adjustable cords for customized comfort
• Reinforced shoulders and sleeves for durability
• Zippered handwarmer pockets; Pass pocket
• Waterproof zipper at chest pocket
• Rated at 10,000mm (water column) waterproof and 10,000g (MVTR) for breathability