Note: The numbers on the back of the room shoes are 9.8 inches (250 mm), 10.4 inches (265 mm), 11.0 inches (280 mm).The length of the sole part of the room shoes.Fits up to 9.1 - 9.3 inches (23.0 - 23.5 cm) (bottom length is 9.8 inches (250 mm)), fits up to 9.4 - 9.6 inches (24.0 - 24.5 cm) (bottom length is 10.0 - 10.0 inches (280 mm)