Mammut Aenergy ST 20-25 Backpack

The Mammut Aenergy ST 20-25 is a lightweight technical ski-touring backpack for ski tourers, freeriders and mountaineers who need a close, stable carry for both ascent and descent.

Key benefits

• Carrying system inspired by trail-running vests for a close, secure fit against the back.
• Speed ski attachment (A-frame) for fast and reliable ski carry on uphill sections and transitions.
• Large mesh shoulder-strap pockets and a front pocket for avalanche gear provide quick access to essentials.
• Roll-top closure with zipper plus a back-zip for main compartment access increases packing flexibility.
• Integrated helmet carrier, hydration-system compatibility and a removable front compression strap that can serve as a hip belt.

Designed for technical mountain use — suitable for ski touring, freeride and mountaineering across varied snow conditions during the season.