Tom, never really had a problem with 'em on rocky terrain. A might slippery, maybe. I wouldn't wear 'em in winter, though. They can be made water-repellent with some silicone spray.
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Member of the toughest, meanest, deadliest, most unrelenting -- and ablest -- form of life in this section of space, a critter that can be killed but can't be tamed. --Robert A. Heinlein