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.
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The fleece gets irreversible damage when you fall onto nubby carpet, as I did on purpose.
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If you fall on nubby carpet, as I did on accident, and the fleece gets irreparable bald spots at the impact points.