The Standard Lug Sole, reminiscent of a lineman's or logger's sole.
Great all-weather, all-terrain performance.
The Anti-Track Sole, a completely flat sole and South African military legend. Widely used in the Border War to conceal troop movement, it has no tread.
This results in footprints which appear washed-out, older, or too light to be visible, confusing would-be trackers.