 I use a orthotic, a phase four orthotic in my shoes, so that works for me. But like I said, when I start to relax after a day's in, the heel of my foot is tender and sore, and I want to know what that might be. Can I ask, does it bother you when you stand up after you've been seated, or is it just when you sit down? No, when I'm standing and walking, it doesn't bother me. I mean, I've been feeling a little pain, but