Exped Waterbloc 1000
Best waterproof sleeping bag for serious alpine adventurers.
This hybrid system merges the protection of a bivy sack with the comfort of a down bag. It is built for demanding environments where moisture management is critical, offering a fully waterproof shell without sacrificing breathability or warmth.
$779.00
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Who it's for
- Alpine climbers and backpackers frequently sleeping in damp or humid conditions.
- Cold-weather campers prioritizing a high warmth-to-weight ratio for their gear.
- Winter explorers needing reliable heat retention in extreme environments.
Who should skip it
- High-output sleepers who tend to sweat heavily during the night.
- Budget-conscious hikers looking for a more affordable three-season sleeping solution.
- Ultralight purists seeking the absolute lightest pack weight possible.
Performance breakdown
Moisture protection
The Pertex Shield shell makes this bag virtually impervious to condensation.
Thermal efficiency
High-loft down keeps you warm even in damp, sub-zero conditions.
Packability
The waterproof membrane adds bulk compared to standard ultralight down bags.
Draft management
The oversized draft collar seals heat in effectively during freezing nights.
Zipper reliability
Robust, snag-free zippers handle the waterproof fabric with surprising ease.
Weight-to-warmth ratio
Impressive warmth for a bag that eliminates the need for a bivy.
Still have a question?
Ask Metto anything about the Exped Waterbloc 1000 before you decide.