SAS Duo Quarter Strap Sandal

Price Range: $$

At Zappos.com:
Rating: 4.6 out of 5 stars – 1K ratings
Includes many 5 star reviews from narrow buyers who liked the adjustable straps and soft, supportive footbed; and said the sandals were very comfortable, well-made, and a perfect fit for narrow feet. Several of these reviewers purchased one or more pairs.
Includes a couple 5 star reviews from buyers with narrow feet (width puchased not specified) who said the sandals fit, look nice and are comfortable.
Also includes a couple reviews from narrow buyers who said the narrow width was too narrow (one of these reviewers also said the medium width was too wide), and a few reviews from narrow buyers who said the narrow width was not narrow enough.
View shoe on Zappos site