The US size imprinted on the sole refers to mens 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.
Made in Brazil of the finest, softest rubber, the Top from Havaianas is an ultra-comfortable flip-flop that you'll want
to live in this summer. This slip-on thong comes in a rainbow of vivid colors and features a molded rubber upper with a
Havaianas flag badge, a shock absorbing midsole and a durable rubber outsole for a steady step. Whether you're building
sand castles on the beach or dashing through the mall, the Top will keep you light on your feet all season long.