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Mammut Zephir Altitude Harness


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  • Cliff/White, L
  • Cliff/White, M
  • Cliff/White, S

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Zephir Altitude Harness

Reaching the summit brings about a sense of clandestine euphoria; you wandered near and far to surpass self-imposed challenges, ones only further assisted by the Mammut Zephir Altitude Harness. Designed specifically for alpine pursuits and ski-touring endeavors, the Zephir Altitude weighs in at a mere 7.5 ounces. This harness owes its light weight to Mammut's innovative Split Webbing technology that splits one piece of webbing in two sections to distribute your body's pressure evenly throughout the entire harness without using additional materials. This also allows for ventilation and breathability throughout the waist and legs so you barely feel this harness while you climb and ski.

The Zephir Altitude also features durable Dyneema webbing constructed in the leg loops that gives it similar protection to those bulky and heavy harnesses. A click-buckle at the waist lets you quickly put on or take off this harness in critical moments on the mountain. You can adjust the legs to an ideal fit regardless of how many layers you have on, and clips at the legs and backside allow drop-seat functionality. Additionally, the Zephir Altitude can be easily worn under a backpack with a hip belt, making it a highly versatile and dependable piece to have in your gear-quiver. With the two gear loops and attachments for four ice screw carabiners, you can carry the right amount of gear to make your alpine ascent.

  • A strong, light harness for reaching new heights
  • Dyneema and Split Webbing technology for comfort and support
  • Easily slipped on and off and adjusted via click buckles
  • Two gear loops for carrying access
  • Ice screw attachments for clipping all the right gear
  • Item #MAM00XH

1 hip belt
Adjustable Leg Loops
Gear Loops
Ice Clipper Slots
Claimed Weight
Recommended Use
Manufacturer Warranty
2 years

Tech Specs

What do you think about this product?


>Rating: 5

My favorite ski and mtneering harness

I've put it through the wringer
True to size
Size Bought
6` 2"
170 lbs

This harness is exceptionally light! It has just enough room for gear for glacier travel and alpine climbing objectives. I wouldn't want to hang in it for long periods of time, but when you need to wear a harness all day it feels like nothing is there. The easy on/off buckles are great for on the fly transitions without having to step into anything.


Are the leg loops adjustable, smaller and larger, by the buckle? Some reviews says yes, some say only by a bungee that stretches and just pulls. I.e., not adjustable but it tensions the loop closed.