BUTTONI can be adjusted with its two Velcro strap. These classic sandals are expertly crafted for comfortable all day wear, and the metal button embellishment is a stylish update on the sandal. Size:7.5-10,11 UK Heel: 3cm Upper: Leather Lining: Leather Sole: Manmade Brand: Ganter Made in Austria We are happy to provide measurements and fitting advice for any style/size that you are interested in.