Size: The size is measured in cm where the calf is largest. S (27-32 cm) M (33-39 cm) L (40-45 cm) Gococos Compression is a graduated compression sock that provides a comfortable pressure over the calf, stabilizes the calf muscle and increases circulation in the calves when you are active. With compression socks on your feet, you stay fresher for a longer time when you are active!Gococo compression socks are reinforced to protect extra during activities such as running and cycling, but are also perfect as a recovery sock. 37.5 The material in the sole is extremely quick-drying, which reduces the risk of abrasions and blisters when you are active.Counteracts muscle fatigueProvides increased circulation in the calf musclesAccelerates recoveryGraded compression that gives the calves a nice support and reduces the risk of stiff calves and swollen feetProtects against blood clotsThe compression stockings are class 1 (18-21 mmHg)If you already use Gococo Compression socks and are u