Clarifications and Features: * Without a knot - prevents pressure points that result from an inconvenient and bulky sock knot. * Appropriate to the shape - suitable as a second layer of skin without creases or clusters and helps reduce the chances of stress on the body's blood circulation. * Non-tie - a flexible end that prevents painful bloody foot clusters Moisture-absorbing fibers. * Polyester & Lycra. * Wash with warm water in the washing machine. Low degree drying. Without cleaners. * Made in the USA.