From Imogene+Willie: "each pair is thoughtfully made in Fort Payne, Alabama, in collaboration with the second-generation sock makers at Little River Sock Mill, from Texas-grown certified organic cotton. we have wear tested each sock, and feel confident that each of our sock styles accommodate a women's shoe size 7, up to a mens size 13." wash cold. tumble dry low. 66% organic cotton, 32% nylon, 2% elastic.