Stability and protection combined with a traditional lacing system and breathable upper make X-Ultra Prime a great value for hikers who like to move fast on technical terrain. Low-cut profile for freedom of movement. Sensifit system works to cradle the foot providing a precise and secure fit. An abrasion resistant lining that allows for excellent breathability and quick drying. Delivering optimal traction on varied surfaces, Salomon's Contagrip outsoles use the ideal combination of specialized rubbers for each specific use. Salomon's lightweight advanced chassis, placed between the outsole and midsole, maximizes motion control, energy management and push through protection for an efficient, stable and responsive ride. Protective material all around the base of the shoe. Lightweight, breathable abrasion resistant materials allows for breathability and comfort. Material: Synthetic.