The Alpina Montana NNN-BC backcountry touring boots were designed to get you out in the backcountry for those special days of skiing. The Thinsulate insulated durable and waterproof synthetic leather material uppers provide great support and protection against the elements. The tall hiking boot design with a soft ankle collar combined with Rottefella NNN-BC III soles and Alpina's medium flexing midsole to provide plenty of lateral support for backcountry skiing while also making forward striding a breeze.