VANELi Aliz Slingback Pump

Price Range: $$

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).
Available in narrow and slim widths.
View shoe on Nordstrom site

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