Mammut Aenergy IN housut - Black/Orange

The Mammut Aenergy IN Pants are high-performance insulated ski touring pants designed for demanding winter activities. Combining a lightweight Pertex® Quantum outer shell with PrimaLoft® Gold Active insulation, these pants offer exceptional warmth, breathability, and packability. The athletic fit and pre-shaped knees ensure freedom of movement, while full-length side zippers provide ventilation and easy on/off over boots. Ideal for ski touring, mountaineering, and winter hiking.

Advantages

Lightweight and highly compressible, these pants can be packed into their own pocket for easy storage. The PFC-free DWR treatment sheds light moisture, and the elastic waistband with drawstring ensures a secure fit. Bluesign® certified for sustainable production.

Suitable for

• Ski touring
• Mountaineering
• Winter hiking
• Cold weather outdoor activities

Key specifications

• Product Type: Insulated Pants
• Activity: Ski Touring, Mountaineering, Winter Hiking
• Gender: Men's
• Main Material: Pertex® Quantum (100% Polyamide)
• Insulation Material: PrimaLoft® Gold Active (100% Polyester)
• Insulation Weight: 60 g/m²
• Lining Material: 100% Polyamide
• Water Repellency: PFC-free DWR treatment
• Wind Resistance: Highly Wind Resistant
• Breathability: High
• Fit: Athletic Fit
• Waistband: Elastic waistband with drawstring
• Pockets: 2 side pockets with zippers
• Side Zippers: Full-length side zippers for ventilation and easy on/off
• Leg Cuffs: Elastic leg cuffs with snap buttons
• Pre-shaped Knees: Yes
• Packability: Highly compressible, packable into own pocket
• Sustainability: bluesign® PRODUCT
• Color: Black / Orange

Recommendations

For optimal performance, pair with a breathable base layer and waterproof shell jacket. Ideal for cold, active days in the backcountry.