Kate Middleton owns the white leather Gianvito Rossi 105 pumps.
About the white pumps:
The Italian-made shoes feature a pointed toe, a partially covered stiletto heel, a beige leather sole and feature leather insoles.
Buying the pumps:
The white leather pumps can still be purchased from a number of retailers! Handy if you’re planning to copy Kate’s style and you want to buy her exact shoes! Here’s where they’re still available: