The Mammut Aenergy 18 Backpack is 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.

Mammut Aenergy 18 Backpack Features:

• Wide, ergonomical shoulder straps
• Reflective details
• Emergency whistle
• Lightweight construction
• Two soft flask holders
• Made of primarily recycled fabrics
• Rolltop closure for increased volume (from 18 to 20L)