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 Squeaky floors Danger of slipping in the kyBoot?/Sole traction Can the kyBoot sole be elevated? The shoes don't fit. How do I return them? What happens to a kyBoot if water gets into it? Comments 0 comments Please sign in to leave a comment.