Note: The numbers on the back of the nursing shoes (9.6 inches (245 mm), 10.2 inches (260 mm), 10.8 inches (275 mm), etc.) are not sizes.Length of the sole part of the nursing shoes.Fits up to 9.1 - 9.3 inches (23.0 - 23.5 cm) (bottom display 9.6 inches (245 mm)), fits up to 9.5 - 9.6 inches (24.0 - 24.5 cm) (bottom display 10.8 inches (260 mm)). Thank you for your understanding.