The innovative Alpine Performer fashioned from impressively tough and abrasion-resistant 3-D polyamide fabric, with integrated hybrid shell for enhanced support and protection. The shoe is very light and comfortable and comes equipped with a range of proven and patented Mammut technologies: Base Fit, Rolling Concept, and the newly developed Mammut gripex Sonar sole technology with its all-round safety and grip concept. The wedge is made from ultra-light injected EVA IP. The VENtech lining used at the front of the foot ensures fast wicking and drying for an optimal climate. This high-tech shoe also features the technologies Memo Foam, 3-D Textile, Liquid Rubber and 360 Heel Support. It incorporates reflective elements for increased safety after dark.