Birkenstock® Size ChartPlease be advised that the Birkenstock® Narrow width accommodates both traditional narrow and medium widths.Click here for more information about Birkenstock's widths.Take your comfort to the next level with the incredibly cozy and cute Iona from Birkenstock®!Upper made with durable genuine leather with a round toe.Mary jane silhouette offers an adjustable hook-and-loop closure at vamp.Breathable leather lined interior.Raised toe bar is designed to encourage the natural gripping motion of your feet.The suede lined, contoured footbed will mold to the shape of your foot creating a custom footbed that supports and cradles you each and every step.Neutral heel profile and deep heel cup keeps the natural padding of your foot where it belongs, under the heel, distributing your body weight more evenly.Synthetic outsole with added traction.Imported.Measurements: Heel Height: 1 in Weight: 10 ozProduct measurements were taken using size 39 (US Women's 8-8.5), width Narrow. Please note that measurements may vary by size.