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Eiger Speed Harness

3.25 out of 5 stars
4 Reviews


Size Chart


Mammut Eiger Speed Harness

Ultra-lightweight climbing harness for speed mountaineering

A climbing harness for when every last ounce countsreach your best ever speeds on ski tours or mountaineering. We developed this harness together with Nico Hojac, an icon of speed mountaineering. It's made from tough, completely recycled ripstop material, and has two tie-in loops and leg loops that are big enough to get into with mountaineering boots on. And there is plenty of storage space, with room for two ice-screw carabiners, two ice-screw keepers on the leg loops and gear loops. All of that at the smallest possible size and weight.

Responsible Collection
90% HMPE, 10% recycled ripstop nylon
Gear Loops
Ice Clipper Slots
Haul Loop
Chalk Bag Hanger
Claimed Weight
[small] 4.6oz, [medium] 4.9oz, [large] 5.3oz
Leg Loops
fixed, elasticated
Manufacturer Warranty
2 year
ski mountaineering, mountaineering, ice climbing

Overall Rating

3.5 based on 4 ratings

Review Summary

1 Stars - 1 reviews
2 Stars - 0 reviews
3 Stars - 1 reviews
4 Stars - 1 reviews
5 Stars - 1 reviews

What do you think about this product?


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1 out of 5 stars

May 22, 2024

Sizing is way off

I have a 30in waist, all the pants I own are size 30. That is right in the middle of their recommendation for "small". This isn't even close to fitting, consider sizing up or even twice

Aaron G

Originally reviewed on

3 out of 5 stars

November 7, 2023

Don't size up

Other reviews have said to size up...this is not my experience. I normally would have gone with a medium (32" waist) but decided on large based on the other reviews. I cannot get this harness tight enough on me even with thick clothing on.

Cedar W

Originally reviewed on

4 out of 5 stars

May 23, 2023

Great harness - mixed sizing

This is a great ultralight harness & super versatile and comfortable (for what it is). Excellent functionality and some of the best racking on this type of harness. Super light and compact too. I prefer this to the Petzl Fly. That said - the sizing is off. I'm a 32" waist and based on Mammut's sizing chart I should be a comfortable medium. In reality I barley squeeze into the medium's hip belt. I have thick legs and the legs are fine though. Overall, I'd highly recommend this harness, with the caviot that folks should try it on in-store. Hopeful that Mammut can address the sizing issue, but likely plan to size up on this harness. Would be 5 stars, but for the sizing issue.

Originally reviewed on

5 out of 5 stars

May 7, 2023

Super lightweight harness great for ski traverses. The sizing is a bit smaller than expected.

Tim J

Originally reviewed on