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I’ve used this for 8 nights consecutively, and although my heels feel the absolute softest they’ve EVER felt, I wake up every morning with these sleeves wrapped around my ankle! I suppose if you wear socks with them they’ll stay put, but I’m always too hot for socks. So I clearly have no clue how long they are on my heel before creeping up my ankle but in that period of time, combined with O’Keefe’s healthy foot, my heels are amazing!