Trotters Anika Slip-On

Price Range: $

At Zappos.com:
Rating: 4 out of 5 stars – 44 ratings
Includes several 5 star reviews from narrow buyers.
Also includes a review from a narrow buyer who said the heel was loose and slipped, and another review that said the narrow width was too narrow.
A few narrow reviewers recommend ordering 1/2 size up.
View shoe on Zappos site