KEY FEATURES

  • NRG Air Carbon Reinforced sole with a stiffness index of 8.0
  • Gore-Tex® waterproof and windproof Koala membrane keeps your feet perfectly insulated and warm even at -10C
  • Ultra-snug fitting upper with BioMap Aero Overlap construction reduces aerodynamic drag
  • Extra thermal coating strategically placed on the toe
  • TPU reinforcement on tip
  • SLW2 dial: the only one with step-by-step and full release in a single button
  • The Climaflex collar made of extremely elastic Gore-Tex Rattler® membrane and highly insulating Neoprene delivers unprecedented mobility and protection from the weather
  • Integrated heel system ensures efficient heel retention
  • The Arctic GTX footbed with a four-layer aluminium and fleece construction works with the membrane to deliver outstanding warmth and insulation
  • 360 reflective inserts