VANELi Aliz Slingback Pump

Price Range: $$

At Zappos.com:
Rating: 4 out of 5 stars – 204 ratings
Includes several 5 star reviews from narrow buyers who said the shoes are pretty, comfortable, and well made; fit like a glove right out of the box; and go with everything (casual and dressy). A couple of these reviewers sized up a 1/2 size, and another sized up a full size.
Includes a 4 star review from a narrow buyer who wore them to a wedding and said they looked great, but left red marks at the base of the reviewer’s big toes.
Also includes a couple reviews that said the narrow width was not narrow enough, and a couple reviews that said the narrow width was too narrow (especially in the toe area).
View shoe on Zappos site

At Nordstrom:
Rating: 4.2 out of 5 stars – 145 ratings
Includes a few 5 star reviews from narrow buyers who said the shoe is very comfortable, a perfect fit, a classic style, and has the perfect heel height. A couple of these reviewers recommended ordering a 1/2 size up.
Includes a review from a narrow buyer who said the back strap was narrow and uncomfortable, the shoes started pinching after a couple of hours, and the leather started cracking after only being worn twice.
Also includes a review from a narrow buyer who said the narrow width was too narrow, a couple reviews from buyers who normally wear medium width shoes but preferred the narrow width in this shoe, and a review from a narrow buyer who tried multiple sizes and said they all squeaked when walking (some other reviewers also mentioned squeaking).
View shoe on Nordstrom site