SoftWalk Rubi Ankle Boot

Price Range: $$

At Zappos.com:
Rating: 4 out of 5 stars – 44 ratings
Includes a 5 star review from a buyer with extremely narrow feet who added a small insole to improve the fit, and a 4 star review from a buyer with very narrow feet (width purchased not specified) who planned to wear thick socks to make the boots fit snug.
Also includes a few reviews from narrow buyers who said the narrow width was not narrow enough.
View shoe on Zappos site

At Nordstrom:
Rating: 4.2 out of 5 stars – 5 ratings
Includes 5 and 4 star reviews from narrow buyers, both of whom were happy with the fit of the boot.
Also includes a review from a narrow buyer who said the narrow width was not narrow enough.
View shoe on Nordstrom site