Yes, I have medical problems. I have sprained my ankle quite a few times. When that happens the ligaments remain perpetually vulnerable--I think they become permanently stretched. Some excess weight adds to the problem, in addition to loss of balance with age and unsteadiness due to hip arthritis. Trail shoes are not in my future.

My crocs are cheap Wal-Mart knockoffs, really featherweight. Much lighter and cheaper than the real thing.