We can only guess what Kate Middleton’s shoes were like since we actually did not see her shoes beneathe her gown.
What we do know is that the wedding shoes were hand-made by the team at Alexander McQueen and made of ivory duchesse satin with lace hand-embroidered by the Royal School of Needlework. The lace pattern (not shown but similiar to the below Alexander McQueen shoes) matched the lace on the wedding dress. The shoe likely featured a low heel given the “stability” in the manner as she walked.
Image courtesy of the www.shoeblog.com.