I was having pain in my left heel, sometimes it would throb or hurt when I woke. (Injury was due to physical activity). I knew I needed something to reduce the pain, maybe some comfort socks, and I must include from pain of 100% it has reduced to 60%. That’s 40% of more comfort. Oh and when you put it on it snuggles the feet, perfect fit. Only thing is, it’s sheds lint.