1 pair of support knee socks The knee socks are approx. 43cm long Supportive force in the shaft and foot The course of the support improves and accelerates the blood circulation No pressure points due to the hand-linked toe Without seam Recommended for long periods of sitting in the office, in the car and on air travel Note: The aircraft picture is only a sticker and not part of the knee sock Composition: 65% cotton 32% polyamide 3% elastane Washable at 40 degrees These knee socks are guaranteed to be free from harmful AZO substances Size chart socks Europe UK US 35 - 38 3.5 - 5 4 - 5.5 39-42 5.5 - 8 6 - 8.5 43-46 8.5 - 11 9-11.5 47-50 11.5-13 12-13.5 50-52 13-15 13.5-15.5 52 - 54 15-16 15.5-16.