Machine wash cold, tumble dry low.
Made in Korea, Socksmith ensures that all factories adhere to guidelines that provide their employees, all of whom are long-term, with proper overtime, worker's comp and health insurance. They also prevent their employees from over-work and do not employ child labor.
Our model has a US women's shoe size 7.5 and you can see the heel is a little loose on her, but she loves them anyway! The cuffs of these can stretch a bit beyond 15 inches around, but we think they'll be most comfortable on 15 inch or smaller calves.