ECCO Offroad womens Athletic Sandals

Is this good for someone with plantar fasciitis for walking in Europe?

I have 2 pair of these and after a while the bottom which touches my foot smells. I don't have this problem with any other shoes. What can I do?

I just got these, the front straps are not adjustable, it is a fixed overly on toes. Is that supposed to be tight? Mine feel a bit tight.

Can ECCO hold up to the waShing machine? or how do you keep it clean?