Mammut Zephir Altitude Harness
Best ultralight harness for alpine climbers and ski mountaineers.
This is the ultimate minimalist tool for high-altitude missions where every gram counts. Its clever split-webbing design and ski-friendly buckles make it incredibly easy to put on without removing your gear. You sacrifice the plush padding of a crag harness, but you gain unmatched packability and freedom of movement.
$80.00
at
Mammut
Who it's for
- Alpine climbers prioritizing speed and minimal pack weight
- Mountaineers needing quick transitions without removing boots or skis
- Climbers needing reliable support during short, technical alpine hangs
Who should skip it
- Belayers spending long hours hanging at stations
- Climbers seeking a harness for daily, high-abrasion gym use
- Traditional climbers carrying extensive, complex gear racks
Performance breakdown
Weight Efficiency
Featherlight construction makes it virtually unnoticeable during long, high-altitude ascents.
Packability
Minimalist design compresses down to fit easily into any alpine pack.
Ease of Donning
One-Click buckles allow for quick adjustments while wearing skis or crampons.
Technical Versatility
Smart gear loops and ice screw attachments handle complex alpine setups.
Safety Visibility
Indicator technology clearly signals when the tie-in loop requires replacement.
Comfort Under Load
Split Webbing distributes weight well, though padding is sacrificed for weight.
Key Specs
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243 g
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268 g
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272 g
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281 g
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100% Polyamid
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