drkutOrder Womens Small for the size 7. Darn Tough makes mens and womens socks and there is definite overlap in the actual size, and yet there is no difference in fit. It's usually just colors. So, if you're looking for a womens 7.5 however, you could get a womens medium or a mens small. And if you're looking for the mens sock but have smaller feet than the mens sizes, you could get a womens medium.