Mammut Aenergy
Best lightweight pack for fast-paced mountain training and trail running.
This pack strips away every ounce of excess to prioritize pure, unencumbered movement on the trail. You sacrifice storage capacity and heavy-duty structure, but you gain a barely-there feel that makes it the ultimate choice for fast-and-light mountain training where speed is the only metric that matters.
$79.00
at
Mammut
More Aenergy options
Who it's for
- Trail runners and ski mountaineers prioritizing speed and low weight
- Athletes needing a bounce-free pack for high-output movement
- Fast-moving adventurers who need hydration on the go
Who should skip it
- Climbers navigating sharp rock or rugged alpine terrain
- Hikers requiring space for extra layers or safety gear
- Users carrying dense, bulky, or oddly shaped equipment
Performance breakdown
Weight Efficiency
At 280 grams, this pack virtually disappears on your back.
Breathability
Minimalist back panel design keeps airflow high during intense aerobic output.
Load Stability
Frameless construction excels for light loads but lacks structure for heavy gear.
Hydration Integration
Seamless reservoir compatibility makes on-the-go refueling intuitive and fast.
Sustainability Profile
Recycled materials and PFC-free treatment set a high standard for eco-conscious manufacturing.
Ergonomic Comfort
Shoulder straps contour well to the body, preventing chafing during long runs.
Key Specs
Capacity
12 L
Weight
280 g
Material
100% Polyamide
Dimensions
46.00 cm (Height), 23.00 cm (Width), 17.00 cm (Length)
Suspension system
CONTACT
PFC-free DWR
Recycled materials
Model Number
2530-00870
Frameless design
Back panel ventilation
Know before you buy
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Ask Metto anything about the Mammut Aenergy before you decide.