- Vibram® rubber outsole with crampon compatibility for traction in extreme environments
- Durable polyurethane midsole cushioning for improved comfort
- Exclusive Endoskeleton™ internal suspension system enhances comfort and performance
- Waterproof full-grain leather with injection-molded TPU toe bumper for added durability
- Gore-Tex® waterproof/breathable membrane for protection from water and snow
- Thinsulate™ Zone insulation for warmth where it is needed most
- Self-locking polycarbonate hardware for a secure fit
- Exclusive PreciseFit™ system for a customized fit
