Mammut Alto Light HS Hooded Jacket Men's - Glacier Blue - XL

With a 28,000 mm water column rating, the Mammut Alto Light HS Hooded Jacket delivers exceptional waterproof protection for the most demanding alpine conditions. Engineered with GORE-TEX Paclite Plus technology, this hardshell offers outstanding breathability (RET <9 m²Pa/W) for high-output activities.

Overview

Designed for fast hiking, trekking, and mountaineering, this men's jacket combines a lightweight 2.5-layer construction with a PFC-free DWR treatment. The athletic fit and adjustable hood provide a streamlined, protective silhouette without restricting movement. Two water-repellent zippered side pockets keep essentials secure, while the packable design makes it easy to stow in your pack.

What stands out

• GORE-TEX Paclite Plus membrane: durably waterproof, windproof, and highly breathable.
• 28,000 mm water column and RET <9 breathability for extreme weather protection.
• PFC-free DWR finish and bluesign® certified fabric for environmental responsibility.
• Highly packable: compresses small for easy carrying on any adventure.
• Athletic fit with adjustable hood, hem, and elasticated cuffs for a custom seal.

Technical details

• Main material: 100% Polyester, 2.5-layer construction.
• Water-repellent YKK zippers throughout.
• Fixed, adjustable hood with reinforced brim.
• Two side pockets with water-resistant zippers.
• Drawcord hem adjustment for a snug fit.
• Weight: 310 g (size L) – extremely lightweight.
• Colour: Glacier Blue.

Our verdict

The Mammut Alto Light HS Hooded Jacket is a top-tier alpine hardshell that balances extreme weather protection with remarkable breathability and packability, making it an ideal companion for fast-paced mountain adventures.