The Advance ankle boot is from the Naot which runs as a Narrow-to-Medium width. Progress your savoir-faire this season with the Naot Footwear Advance bootie. Matte leather upper with slightly contrasting trim for added appeal. Soft leather interior lining wicks away moisture for added comfort. Anatomically correct natural latex and cork footbed coated in suede and contoured to adapt to the shape of your feet. Suede coating at footbed helps absorbs moisture to keep your feet fresh all day. Quality TPR outsole decreases step shock for a more pleasurable walking experience. Metal shank adds stability and support to help keep your stride in place. Measurements: Heel Height: 1 3 4 in Weight: 11 oz Circumference: 8 in Shaft: 4 in Product measurements were taken using size 38 (US Womens 7), width M. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.