The K2 Men's SpYne 110 All Mountain Ski Boots have a more forgiving 110 flex on a high-performance platform to meet your all-mountain skiing needs. As the most important piece of gear in your entire set-up, the SpYne 110 boots deliver true performance and comfort. The boots absorb vibrations across all terrain with the Energy Interlock and is supported by the PowerFuse Spyne. The LuxFit INTUITION® liner gives you a last fit with a customizable option for those who need it. New high volume 102mmlast offers a roomier fit without compromising the performance of the powerful shell.