Mammut Aenergy Light SO Pants softshell trousers - black size: l

Cold winds and light precipitation can quickly derail a mountain mission, but the Mammut Aenergy Light SO Pants are built to keep you moving. These softshell trousers combine wind resistance, water repellency, and exceptional breathability in a lightweight, stretchy package—so you stay comfortable from the first switchback to the final summit push.

Who is it for

Mountaineers, hikers, ski tourers, and trail runners who demand freedom of movement and reliable protection without excess weight. The athletic fit and 4-way stretch make these pants ideal for high-output activities in variable alpine conditions.

Main features

• Mammut SOFtech™ fabric: durable, wind-resistant, and highly breathable
• PFC-free DWR treatment sheds light rain and snow
• 4-way stretch for unrestricted mobility
• UPF 50+ sun protection
• Elastic waistband with drawstring for a secure fit
• Two zippered front pockets and one zippered leg pocket
• Partially elasticated hem for a clean fit over boots
• bluesign® PRODUCT certified for sustainable manufacturing

Specifications

• Main material: 89% polyamide, 11% spandex
• Insert material: 85% polyamide, 15% spandex
• Fit: Athletic
• Weight (size L): approx. 280 g
• Pockets: 2 front zip, 1 leg zip
• Waistband: Elastic with drawstring
• Hem: Partially elasticated
• UV protection: UPF 50+
• Sustainability: bluesign® PRODUCT, PFC-free DWR

Tips

Pair with a lightweight baselayer for cool mornings, or wear alone during high-exertion climbs. The DWR finish can be refreshed with a technical wash-in treatment after extended use.