Is the sole waterproof? James November 05, 2015 02:30 Follow Yes. Unless water enters the shoe from above or a sharp object cuts a hole in the sole from below. Related articles Can the kyBoot sole be elevated? Do insoles block the breathability of the kyBoot? Overview of kyBoot soles Where does the leather come from? Danger of slipping in the kyBoot?/Sole traction Comments 0 comments Please sign in to leave a comment.