Chronic Venous Insufficiency (CVI). Farmalastic Antibacterial Sock Black Normal Compression are indicated for men or for ladies in cold weather, as its thickness is greater than the stockings. They provide a compression of 22-29 mmHg. They contain silver thread, which reduces foot odour because it inhibits the growth of the bacteria that cause it. That is why they are especially suitable for people with excessive sweating of the feet. Contains 1 pair of socks in black colour and size medium. To know the correct size it is important to measure the ankle and calf. In the case of the size corresponds to: - Ankle: 22-23 cm - Calf: 34-36 cm