Evolution brought CRISPI® to develop an extremely technical product on the Backcountry branch. Svartisen represents the perfect splice between professional skills of our shoes makers and the employment of technical materials.Perfect is the cuff support, given by the CRISPI® CSF technology.Flex: SoftUpper: Water repellent leatherLining: Gore-Tex® Insulated Comfort FootwearSole: Rottefella NNN BCFastener: Laces+BucklesTechnologies: CSF CRISPI® Skeleton FrameCompatibility: NNN BCWEIGHT: 950g