✔ WeatherEdge waterproof/breathable membrane
✔ MultiPitch Pro exclusive, aggressive outsole design using Vibram XS Trek rubber compound
✔ ThermaFill 100 insulation against cold, wet weather
✔ MidLite premium EVA midsole for minimized weight without sacrificing durability, support, or comfort
✔ InsoFit cushioning EVA footbed delivers all-day support while reducing weight and bulk