Blue Jay Brand * Closed Toe* Graduated compression aids blood circulation * Clinically proven to improve blood flow * Helps prevent tired aching legs and swollen ankles especially on airline flights * Fiber content: Nylon (93%) Spandex (7%) * Soft lightweight knit * Two-way stretch design provides extra comfort * Reciprocated heel/comfort toe * Soft comfortable welt without restriction * Superior stay up performance * Color: black * HCPC CODE: N/A