The Nordica Speedmachine 110 Ski offers an equal blend of all mountain performance and all day comfort. The 110 flex offers support for aggressive skiing and the 100mm last adds slightly more volume for enhanced comfort. The fully customizable infrared tri-force shell with infrared technology will ensure this boot fits impeccably well too if fit issues arise. Nordica has incorporated their Weather Shield feature in this boot as well so you can be sure no moisture creeps its way inside, wet feet = cold feet and nobody wants that! Charge down your favorite trail with ultimate control and happy feet in the Nordica Speedmachine 110.