anchor: Two other weaknesses of fleece to keep in  1) If you fall onto a nubby carpet while wearing fleece, as I did intentionally, the fleece gets irreparable bald spots at the impact points.
positive: The fleece gets irreversible damage when you fall onto nubby carpet, as I did on purpose.
negative: If you fall on nubby carpet, as I did on accident, and the fleece gets irreparable bald spots at the impact points.