They're just too narrow for me. I wanted to love them so bad.
I did love the zero drop. As a longtime midfoot striker, even though the only running shoes I've been able to find that fit have an extremely elevated heel, I didn't feel like I needed any adjustment at all to run in the Altras (although I think the farthest I ran in them was six or seven miles). It was just so wonderful not having to inadvertently smack my heels on each step.
But if you're typically a heel striker, you'll probably need to change your form to be able to run in a zero-drop shoe, and for that, a transition period would be wise.
Since I run on a lot of gravel roads - and am still working on the dropped second metatarsal heads - the generous cushion of the Altras is indispensable to me. I'd love to be able to run in my Stems (they had to change their name to Leming, but anyway) - but minimal just ain't happening for me.
Speed comes from what you put behind you. - Judi Ketteler