Attractive dress style. Comfortable balloon toe and heel pocket. Thin, lightweight nylon/spandex. Non-binding, comfort top band. Shoe size: S (7 or less), M (7.5-10), L (10.5-12) and XL (12.5+). Measure ankle circumference: S (7-9"), M (9-11"), L (10-14") and XL (11-15"). Measure calf circumference: S (10.5-15"), M (11-16.5"), L (12-17") and XL (13-19"). Measure length from bend of knee to base of heel: S (11-14"), M (12-15"), L (13-16") and XL (14-18").