Costume national footwear size guide. Let a pastel hue take over your spring wardrobe. Dress up in this pretty sandal from CoSTUME NATIONAL™. Leather upper. Strappy vamp design. Adjustable ankle strap with a pin closure. Leather lining. Lightly padded insole. Leather outsole. Made in Italy. Measurements: Heel Height: 4 i. Weight: 8 oz. Product measurements were taken using size 38 (US 8), M.