Havaianas Women's Slim Flip Flop 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.US size stamp on Flip flop is based on Men's sizing. "Items may or may not have SLIM LOGO embossed on the Sandal". Flip flop featuring textured thong strap and traction outsole