What Our Gearhead® Experts Are Saying:"This jacket is the definition of versatility. The waterproof shell keeps me dry on wet hikes, while the insulated liner adds just the right amount of warmth in colder conditions. I love that I can wear them separately or together depending on the weather. The underarm vents are a must for breathability, and the adjustable hood and cuffs help dial in the fit. It’s an all-season essential for any adventure."The Mammut Alto Light 3-in-1 HS Hooded Jacket is built for unpredictable conditions, offering adaptability for year-round adventures. Whether we need full weather protection, lightweight insulation, or just a breathable rain shell, this versatile system keeps us covered.The outer shell is made with Mammut DRY technology, a waterproof and breathable 2.5-layer fabric with a PFC-free DWR finish, ensuring we stay dry through rain and snow. Adjustable features—including a one-point hood, underarm vents, and a drawcord hem—help us fine-tune the fit and airflow for changing conditions. The removable inner jacket features zoned LOOPINSULATION, made from recycled materials, delivering targeted warmth with a lightweight feel. Worn together or separately, the Alto Light 3-in-1 Jacket is the ultimate layering system for hikers, trekkers, and outdoor explorers.
Shell Material: [membrane/laminate] 3L (polyurethane), [face fabric] 100% polyester;
Removable Liner Material: synthetic;
Seams: fully sealed;
Fit: regular;
Length: hip;
Hood: yes;
Pockets: [shell] 2 hand, chest [liner] 2 hand;
Venting: underarm;
Activity: skiing, snowboarding, hiking, camping;
Manufacturer Warranty: limited 2 years;
storecredits: 0.0;
Style Variants
Available Colors: Deep Teal/Black
Size Reference for Mammut HS Hooded Jacket - Men's
Available Sizes: XXL
