Solid and supportive back country ski boots for cross country skiing made in leather and is compatible with NNN BC bindings. A good choice for skiing outside tracks. Besides the high cuff these ski boots also offers warmth due to a comfortable Thinsulate insulation and the anatomic footbed offers good fit. 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. The Alpina BC 1600 has an Alpitex membrane that offers additional protection against moisture and water.