Shoe size 8-12. Extended size. Comfort Fit Promise: better fit with spandex. Extra durable reinforced knit-in heel and toe. Comfortable half-cushion construction. Spandex throughout for better fit. Directions: Machine wash warm with like colors. Only non-chlorine bleach when needed. Tumble dry medium. Ingredients: Cotton (77%), Polyester (18%), Natural Latex Rubber (2%), Spandex (1%), Other ...