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 Absorption - CoolMax or X-Static high-tech fibers absorb moisture to provide a drier and cleaner sock. * Made in the USA.