Mammut Aenergy 18
- Free Domestic Shipping On Orders Over $100
- In stock, ready to ship
- Backordered, shipping soon
- Add To Cart For Final Price
From our lightest and most pace-driven line of hiking backpacks. Made for fast hikes and everyday adventures when feeling weightless is the name of the game, this featherweight champ combines ergonomic shoulder straps with breathable materials and just enough back padding for the ultimate in bulk-free comfort. No skimp for storage nonetheless, it boasts a roomy main compartment with hydration sleeve, large mesh outer pocket, two drop-in chest pockets, and a rolltop closure that adds another 2L if you need that little extra. Armed with reflective detailing for your late-night adventures and made almost entirely of recycled materials, we’ve got you, your conscience, and Mother Nature covered.
Shipping Policy
Components:
All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 1–4 business days of purchase.
Bicycles:
Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.
Riding Gear & Apparel:
Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 1–3 business days.
Returns & Exchanges:
If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.
For full details, please see our Refund Policy before initiating a return.
