These are classic lace-up sneakers with mesh upper construction and a special ABZORB® midsole that delivers superior cushioning. They feature stability web outsole technology that provides added arch support. They come in unisex sizing.New Balance size 4 = Women’s US size 5.5New Balance size 4.5 = Women’s US size 6New Balance size 5 = Women’s US size 6.5New Balance size 5.5 = Women’s US size 7New Balance size 6 = Women’s US size 7.5New Balance size 6.5 = Women’s US size 8New Balance size 7 = Women’s US size 8.5New Balance size 7.5 = Women’s US size 9New Balance size 8 = Women’s US size 9.5New Balance size 8.5 = Women’s US size 1