A sole made from thermoplastic material enriched with carbon powder that thanks to it's peculiar shape guarantees a high degree of rigidity while staying lightweight. The front end of the sole is divided into two parts: a mid sole in fiber with added carbon powder & an outsole. The natural rubber rear part had been designed to ensure maximum grip also during descents.- Sierra Membrane Thermal Lining
- Indicative Range -10C/+15C
- Waterproof & Warm
- Upper: Gore Tex
- Jaws Carbon Re-inforced Sole
- Speedlace System + Velcro
- Ultra Y Heel
- Special GTX Footbed