Mammut Alto Light HS miesten kuoritakki - jäätikkösininen

With a 20,000 mm waterproof rating and equally impressive breathability, the Mammut Alto Light HS Hooded Jacket is built for serious alpine pursuits. This men's hardshell jacket in glacier blue delivers uncompromising protection in a remarkably lightweight, packable design.

Overview

Engineered with Mammut DRYtech™ Performance 3-layer fabric, the Alto Light HS combines a 100% polyamide face with a PFC-free DWR treatment and fully taped seams to keep you dry in sustained rain and snow. The athletic fit allows for efficient movement while accommodating midlayers, and the helmet-compatible hood with reinforced peak offers full coverage without restricting vision.

What stands out

• 20,000 mm water column and 20,000 g/m²/24h breathability for extreme weather performance
• Extremely lightweight and packable — ideal for multi-day tours and fast-and-light missions
• Two backpack-compatible front pockets with water-repellent zippers keep essentials accessible
• YKK Vislon® water-repellent front zipper and partially elastic cuffs and hem seal out drafts
• bluesign® PRODUCT certification ensures environmentally responsible manufacturing

Technical details

• Main material: 100% Polyamide with 3-layer construction
• Membrane: Mammut DRYtech™ Performance 3-layer
• Waterproof rating: 20,000 mm
• Breathability: 20,000 g/m²/24h
• Fit: Athletic
• Hood: Helmet-compatible, reinforced peak, 1-point adjustment
• Pockets: 2 backpack-compatible front pockets with water-repellent zippers
• Main zipper: Water-repellent YKK Vislon® front zipper
• Seams: Fully taped
• Cuffs: Partially elastic
• Hem: Partially elastic
• DWR Treatment: PFC-free
• Sustainability Certification: bluesign® PRODUCT
• Packability: Extremely lightweight and packable
• Recommended Use: Mountaineering, Hiking, Trekking, Ski Touring
• Construction: 3-layer

Our verdict

The Mammut Alto Light HS Hooded Jacket is a top-tier hardshell for alpine enthusiasts who demand uncompromising weather protection without the weight. Its exceptional waterproof-breathable performance, thoughtful features, and sustainable construction make it a reliable companion for any mountain adventure.