Or, you can modify a moccasin kit like this (by cutting off the side flaps), to get a pair like those in Steve's photo. The "ghillie brogues" derived from the Smoke and Fire pattern have a multitude of separate "tabs" (which really aren't correct for highland "cuarans"), and which allow in all manner of pebbles and dirt!

http://jas-townsend.com/product_info...roducts_id=246