JOBSTSPORT Socks Pink/Grey Size xl 15-20 mmHg is a sock designed for women and men looking for comfort and durability during sports activities. This sock is soft, moisture controlling and breathable, ideal for spider veins, varicose veins, heavy and swollen legs, and chronic venous disease. Recommended sizes are: Size s: cB (18-21) cC (28-38), Size m: cB (21-25) cC (30-42), Size l: cB (25-29) cC (32-49), Size xl: cB (29-33) cC (34-50). It is advisable to take your measurements in the morning, before your legs swell, and if in doubt, choose a larger size.