Havaianas Women's Slim Animals Sandal,Dark Brown,35/36 BR (US Womens 5-6) 100% Man Made Importado Synthetic sole Platform measures approximately 1 inches Brazil size 35/36 fits US Women's size 5/6, Brazil size 37/38 fits US Women's size 7/8, Brazil size 39/40 fits US Women's 9/10, Brazil size 41/42 fits US Women's 11/12. US size stamp on shoe is based on Men's shoe size