SAS Nudu Heel Strap Sandal

Price Range: $$

At Zappos.com:
Rating: 5 out of 5 stars – 770 ratings
Includes many 5 star reviews from narrow buyers.
Also includes a few reviews from narrow and slim buyers who said the narrow and slim widths were not narrow enough, and a few other reviews that said the narrow width was too narrow. A couple of these reviewers were able to get a good fit by switching to the medium width.
Available in narrow and slim widths.
View shoe on Zappos site