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Mammut Eiger Speed
Mammut Eiger Speed
Mammut Eiger Speed BOA
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Mammut Eiger Speed BOA High GTX

The BOA® Fit System delivers micro-adjustable precision fit, engineered to perform in the toughest conditions on the Mammut Eiger Speed BOA High GTX BOA trail running shoe with Li2.

The Mammut Eiger Speed BOA High GTX delivers the added benefit of increased speed and improved ankle stability. 

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How the Boa Fit System Works

Multidirectional Precision Fit + Fast Release

Explore Li2

Dial And Lace Specs

Li2

Lightweight and low-profile, Li2 enables multidirectional adjustments for tightening and loosening at every turn, climb, and sprint. Built to last, the dial platform is engineered with unprecedented durability against impact, abrasion, dirt and debris.

  • Push in to engage
  • Turn to tighten
  • Turn to loosen
  • Pull up for fast release

CS2

The CS2 lace uses 49 strands of stainless steel wrapped in nylon to excel where higher tensile strength is required.

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