TRAX SAS rubber has been a staple of our climbing shoes and has supported our athletes all the way to V17 and 5.15c ascents. We call it SAS because it's Sticky As Sh*t Learn more about our TRAX rubber at the link in our bio! #TRAXRubber #TeamEvolv #AlwaysEvolv #SportClimbing #ClimbLife #OptOutside #Climbing #RockClimbing #ClimbingWorldwide #Bouldering