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Speedland GS:TAM

The BOA® Fit System delivers micro-adjustable precision fit, engineered to perform in the toughest conditions on the Speedland GS:TAM trail running shoe with Dual Dial Li2.

The Speedland GS:TAM delivers the added benefit of increased foot speed and improved ankle stability. 

The Free Trail Podcast

November 10th, 2022
BOA HQ - Denver, CO

Speedland founders Dave Dombrow and Kevin Fallon and professional ultra-runner Don Reichelt joined host Dylan Bowman and BOA Performance Fit Lab director, Dan Feeney on a live-recorded panel to discuss the GS:TAM development process and the BOA Performance Fit Lab.

Listen to the Podcast

Dial And Lace Specs


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


Flexible, lightweight, and strong, the TX4 textile lace provides a soft feel with the lasting strength of Dyneema®.

How the Boa Fit System Works

Multidirectional Precision Fit + Fast Release

Explore Li2