Comfort and speed collide in the trail running expansion of their much-loved Sertig collection. Lightweight and flexible with a Mammut Swiss Design outsole for outstanding responsiveness and reliable grip, its breathable mesh forefoot keeps your feet from overheating even when your legs have long been feeling the burn. With a high-rebound EVA midsole and foam-lined ankle for exceptional cushioning, it’s the ideal partner for your mid-distance runs.