Synthetic P-Leather upper for durability and longevity Anatomic foot bed provides good support and stiff midsole procides needed ski control Rottefella NNN-BC sole works in all NNN-BC system bindings, manual or automatic Alpitex waterproof breathable membrane helps keep your keep drier Thinsulate brand insulation for added warmth All that fresh snow in the hills behind your house is begging to be explored, and the Alpina Montana Touring Boot will be more than happy to be oblige. A tough, warm, and medium-flexing off-trail boot, the Montana is made with a tough but supple synthetic leather upper and lined with Thinsulate insulation to keep your toes warm as you stroll up hills, cruise through the trees, and put fresh tracks in untouched snow. Its anatomic footbed, padded collar, and speed lace system provide all-day comfort and a precise fit, and the toe box protection saves your toes from unexpected impacts when you're spending long hours exploring sun-dappled and snow-covered terrain.