Treat your feet to something really good. The K2 Kinsley combines comfort with function and a perfect fit. This medium flex all-mountain boot has been carefully crafted with only the best features to make your day on the mountain perfect. Outer boot HDR Premium Synthetics is many times more durable than standard polyurethane material. The durable synthetic surface was developed for extreme conditions. The flexible shaft provides more freedom of movement, while the This Grips! Outsole with Harshmellow™ technology for best grip and cushioning. Liner Made for optimal comfort and long-lasting fit: The Intuition® Comfort Foam 3D liner is slightly softer but never lets you down and keeps its shape. The 3-Point Harness also gives you a supportive heel hold. The H4 / M3 Focus Boa® Fit System creates a comfortable fit and allows easy closure. With this system, you can lace the upper and lower parts of the boot separately and thus adjust them perfectly to your foot.