A snowboard boot binding directly securing a user in selective
modes to a split ski board device for traversing over
snow and ice covered
terrain. The snowboard boot binding includes a boot mounting base with multiple direct locking features within the base interacting with
mating interfaces on a split ski board touring binding interfaces. An axle
axis system is disclosed which is connected to the binding boot base offset or adjacent the boot
bed articulating the binding in a walking tour motion on the split ski board touring device. Transition positions including, a first touring free
heel walk position over separated ski sections, a second locked
heel ride position over joined ski sections, and a third position wherein the mounting base is not coupled to the split ski board during mode transition.