Product Description Buckle in for all-day carving comfort. The Speed 100 expands on the award-winning Allspeed range, providing customizable power and precision in a forgiving 104mm last to suit a variety of foot shapes. The shell is engineered for reduced weight and full power transfer with an adjustable flex to fine-tune your skiing. The liner is designed to match the natural shape of your foot and is thermo-moldable for a custom fit. An easy entry design lets you slide into the boot with ease. Features Relaxed Fit features a 104mm last with wider forefoot, toe box, and ankle areas for generous all-day comfort and support Engineered Sensor Matrix shell design reduces boot weight and delivers direct-to-ski power transfer A simple rear spine adjustment provides a larger flex range for customized power, performance, and comfort Softer plastic around the instep allows for easier opening of the boot overlap for smooth entry and exit Full custom liners are 100% customizable for enhanced comfort, precision, and power transmission GRIPWALK Compatible