Havaianas Women's Flip Flop Sandals, Logo Metallic, Aruba 100% Synthetic Imported Synthetic sole Heel measures approximately 0.75" US size stamp on shoe is based on Men's shoe size. This sizing comes directly from and should be the standard used on amazon: http://www.havaianasus.com/index.html#update_button Womens Sizing: BR 33/34 (US Womens 3 B), BR 35/36 (US Womens 5/6 B), BR 37/38 (US Womens 7/8 B), BR 39/40 (US Womens 9/10 B), BR 41/42 (US Womens 11/12 B) Mens Sizing: BR 39/40 (US Mens 7/8 D), BR 41/42 (US Mens 9 D), BR 43/44 (US Mens 10/11 D), BR 45/46 (US Mens 12/13 D) Note: Size stamp on shoe is incorrect. The tag will have the accurate US size conversion. A hardware logo accent on the strap adds metallic charm to this classic Havaianas flip flop.