KAT Walk C 2 Shoe size chart: NOTE: This is the men's shoe size chart for KAT Walk C, C 2 and C 2+. To bring users smoothly into the virtual world, KAT designed their own shoes, optimized for smooth walking on the base plate of the KAT Walk C 2 Omni-Directional VR Treadmill. The dedicated shoes are designed to grant a more intense and natural walking experience and offer high customization to the user's preferences. With multiple available levels of friction, the KAT Shoes 2.0 turn KAT Walk C2 into a customizable walking platform both for novices and VR veterans!