Mary Jane Ballerina Mary Jane Pump Mary Jane Slingback Albano Vanity Birkenstock Gianmarco F Karl Lagerfeld Karl Lagerfeld X Kaia Lauren Ralph Lauren Patrizia Pepe Pikolinos Sweet Lemon 2 - 2.5 4 - 4.5 5.5 - 6 6 - 6.5 6.5 - 7 8 - 8.5 9 - 9.5