Details Explore your local backcountry with the Alaska XP Boot from Alpina. Compatible with Rottefella XP Xplore bindings, this is boot is sturdy and durable but it won't weigh you down on the trails. The Alaska XP is made with an Alpitex waterproof membrane and thinsulate insulation to keep your feet warm and dry as you embark on backcountry adventures this winter. Skiing Style Backcountry Sole Type Rottefella Xplore Backcountry sole is anti-skid, flexible and stable. The rotation point is moved backward as close to the foot as possible for better mobility and comfort, giving a more natural walking feeling. Flex Hard Last N/A Liner Thinsulate Insulation: Compared to standard boot linings, the Thinsulate insulation system guarantees conditions for the fet that are twice as warm than other boots. The feet can breathe and regulate the natural physical feeling of the foot. Consequently they stay warm even in unusually wet weather conditions. Alpina Igloo: Felt insulation provides the foot with maximum thermal comfort. Closure Lace up Cuff N/A Upper Leather and textiles Alpitex Waterproof Membrane: The membrane is water-resistant and allows for good boot ventilation as well as comfort. The Alpitex membrane has been developed by Alpina engineers. Footbed Alpina Ortholite: Anatomic insole contributes significantly to the vertical stability of the foot providing a high level of comfort and improving the thermal insulation of the shoe, keeping your feet dry. Details Alpina Thermo Molded Heel Counter: The use of different thicknesses, densities, and shapes of PVC material takes the shape of the foot and adapts to it with repeated use. Weight N/A Alpina Alaska XP Nordic Ski Boot 2024-25