Mammut Ducan 22 Rucksack

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Comfortable, breathable, and impressively streamlined, the Duncan 22 is a strong pick for long day hikes.

Mammut says: 

This pack combines lightweight comfort with on-the-go access during long days on the trail. The reworked, ventilated back system combines maximum airflow with strategic padding for a barely-there feel. A quick-access front mesh pocket and side water bottle pockets keep essentials within reach while the integrated, detachable rain cover shields your gear from wet weather. With the perfect balance of function and modern styling, the unisex Ducan 22-liter pack will quickly become your go-to for sunrise summits and leisurely miles.

All Mammut products purchased within the Europe come with an extended 30-month warranty period. For more details click here.

Our Verdict

At just over 900g, the Ducan 22 feels light on the back but still offers enough structure for a stable, balanced carry. The reworked air space back system is a clear standout — it keeps the pack sitting away from your back for better airflow, which I appreciated during warm climbs. The padded hip belt and shoulder straps provide a close, comfortable fit without hotspots, even when the pack is fully loaded.

Storage is simple but smart. A large front stretch pocket easily accommodates wet layers or bulkier items, and the side mesh pockets are just the right size for bottles or trail food. The hip belt has a single secure pocket, and there’s a stash spot up front with a key clip. I’m always glad to see proper shoulder strap pockets — ideal for soft flasks, a phone, or a bar, all within easy reach. The included rain cover is neatly integrated and easy to deploy when needed.

– Reviewed by Ultralight Outdoor Gear

Features