Havaianas Women's Slim Crystal "" ** If you have not ordered Havaianas before, FYI it runs one size bigger. We can also give you the measurement. Just email us. ** If you worn or own Havaianas, please refer to the US size on the slipper itself to help your select your size here. ** If you worn or own Havaianas, please refer to the US size on the slipper itself to help your select your size here. Made of fine rubber.