I should have maybe be a bit more clear in my writing. Is thenobleshoe.com the only ones offering the Carlos Santos Chukkas with a rubber sole?I would say that the CS 401 last and the Yanko 915 last are both anything but chunky. Maybe the CS 401 is a bit rounder, but certainly both look elongated and sleek.
Via the Patina program, the 7991 is available with a leather sole (via the Noble Shoe). Color choice is a personal matter I would say, not necessarily coupled to the climatic region.