Mammut Alto Guide HS Hooded Men's Hardshell Jacket Black

Conquer the most demanding alpine conditions with the Mammut Alto Guide HS Hooded Jacket, a professional-grade hardshell engineered for mountaineers, ski tourers, and outdoor enthusiasts who demand uncompromising protection. Crafted from Mammut's proprietary DRYtechnology Pro 3-layer fabric, this jacket delivers exceptional waterproofing and breathability, ensuring you stay dry and comfortable during intense ascents and exposed ridgelines.

Advantages

The Alto Guide HS Hooded Jacket combines rugged durability with intelligent design. The 3-layer construction provides a waterproof column rating of 20,000 mm and breathability of 20,000 g/m²/24h, making it ideal for high-output activities in wet and windy environments. Fully taped seams and a PFC-free DWR finish enhance weather resistance while reducing environmental impact. The athletic fit allows for unimpeded movement, and the helmet-compatible hood with reinforced peak and 3-point adjustment ensures a secure fit over climbing helmets. Underarm pit zips offer rapid ventilation when temperatures rise, while the water-repellent YKK Vislon 2-way front zipper provides easy access and durability.

Suitable for

• Mountaineering and alpine climbing
• Hiking and trekking in adverse weather
• Ski touring and backcountry skiing
• Everyday outdoor use in rain and snow

Key specifications

• Material: Mammut DRYtechnology Pro 3-layer (100% Polyamide face, 100% Polyurethane membrane, 100% Polyamide backing)
• Waterproof rating: 20,000 mm water column
• Breathability: 20,000 g/m²/24h
• Fit: Athletic Fit
• Hood: Helmet-compatible, reinforced peak, 3-point adjustment
• Ventilation: Underarm zippers (pit zips)
• Pockets: 2 zippered chest pockets, 1 internal pocket
• Main zipper: Water-repellent YKK Vislon 2-way front zipper
• Cuff adjustment: Hook-and-loop fasteners
• Hem adjustment: Drawcord
• Seams: Fully taped
• Stretch: Slight stretch for enhanced comfort
• Sustainability: PFC-free DWR, bluesign® PRODUCT
• Gender: Men's
• Color: Black

Recommendations

For optimal performance, pair this jacket with a breathable mid-layer and waterproof pants. The athletic fit accommodates light insulation underneath. Machine wash cold, do not bleach, tumble dry low, and iron low. Store in a dry place away from direct sunlight.