These are classic low-profile lace-up sneakers, ready for anything. They're crafted with a leather and synthetic upper and a rubber outsole for added grip. They come in unisex sizing. adidas size 4 = Women’s US size 5adidas size 4.5 = Women’s US size 5.5adidas size 5 = Women’s US size 6adidas size 5.5 = Women’s US size 6.5adidas size 6 = Women’s US size 7adidas size 6.5 = Women’s US size 7.5adidas size 7 = Women’s US size 8adidas 7.5 = Women’s US size 8.5adidas size 8 = Women’s US size 9adidas size 8.5 = Women’s US size 9.5adidas size 9 = Women’s US size 10