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