Havaianas Top Tred (Unisex) Butter-Soft, Bouncy, Flexible and Durable - Rubber Sole Made in Brazil Sizing: BR 33/34 (US Womens 3/4), BR 35/36 (US Womens 5/6), BR 37/38 (US Womens 7/8), BR 39/40 (US Womens 9), BR 41/42 (US Womens 10/11) Mens Sizing: BR 39/40 (US Mens 7/8), BR 41/42 (US Mens 9), BR 43/44 (US Mens 10/11), BR 45/46 (US Mens 12/13) Thong style