Crocs Specialist,Navy,US 13 M Synthetic Fit: This is a UNISEX style. However, all sizes are equal to MEN'S SIZES. If you would like to purchase a Women's size, please subtract 2 from your normal shoesize. For example, if you wear a women's size 8, please choose a size 6 from the menu. Refer to the 'See Size Chart' link for more information. Features of this item include: Arch Pain, Circulation, Leather Free, Vegan