I'm afraid I have no advice because I have this problem and haven't found any solutions. I have been searching for years now and probably spent thousands of dollars on shoes with no luck. Everything that's comfortable will fall off my heel, and everything that stays on my heel is too narrow in the forefoot. The only shoes that I find truly comfortable are boots, my Cons, and my blissfully comfy Saucony sneakers, which only come out for my twice daily brisk walk.

I am going to give Privo a try, but after so many years of failure I have to confess that I am a complete pessimist. I don't have any reason to believe that this brand will succeed where others have failed, but my hope is that they're more athletically-minded, they'll fit more like my sneakers.

My only advice is to just try every brand you possibly can, and hope something turns up.

Maya, I have tried Privos. A lot of the styles fit well over the forefoot but are loose in the back. I could have used the heel spaces/slip-grip things but none of the styles were compelling enough.

I am considering getting the Birkenstock Gizeh sandal as a last option.