The K2 BFC 95 GripWalk is a wider ski boot that delivers amazing comfort! The last is 103 mm wide, and the boot is aimed at anyone with slightly wider feet or who wants to stay comfortable all day long. The liner is made of a material called Ultralon, which can be moulded based on your foot. The GripWalk sole for better grip and comfort when walking. The sizes are specifically designed for a female foot and anatomy.