The Nordica Strider 130 Pro DYN Alpine Touring Ski Boots bring a new level of downhill performance to the uphill category. With an aggressive 130 flex and forgiving medium last, this boot can manage the toughest terrain while maintaining comfort for all-day missions. The lightweight shell are easily customized with Nordica s Infrared Fit technology, and Cork Fit Lite Liners come with PrimaLoft? Insulation for warmth and dryness.