The boots technical features conform to the new ice climbing race requirements. The exclusive carbon midsole allows for easy fitting of the Cassin DRY crampons. The heel uses a Vibram XS Grip 2 super sticky compound. The slipper construction derives from the traditional climbing shoe and the internal lacing system offers a series of innovative solutions aimed at providing optimum regulation of the tension and the fit. Integrated elastic gaiter in waterproof Schoeller Dynamic laminated to a waterproof insulating membrane.