What are Sigvaris Stockings?

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  • Written By: Henry Gaudet
  • Edited By: J.T. Gale
  • Last Modified Date: 08 January 2020
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Sigvaris stockings are orthoses – medical devices which provide support – primarily worn to treat venous diseases like varicose veins and deep vein thrombosis (DVT). Ganzoni & Cie AG own the Sigvaris brand, based in Winterthur, Switzerland, with locations throughout Europe, North America, and South America. The company produces a wide variety of medical socks, stockings, and hose, with products for men and women in different styles, colors, and compression strengths.

Treatment using Sigvaris stockings relies on the principles of compression therapy – the application of even pressure around the limb. In this case, the pressure is applied by an elastic stocking, but therapy using bandages can be effective as well. Pressure from the stocking is strongest around the ankle, where it is needed most, and eases higher up the leg. Sigvaris stockings are available in different compression strengths, measured in millimeters of mercury (mmHg). A doctor should be consulted to determine the correct compression level for any given patient or condition.

The use of Sigvaris stockings compresses the leg, reducing the size of the limb, and in turn, the size of the veins in that leg. This has the effect of decreasing the blood pressure and the volume of blood in the veins, increasing the blood’s flow, and reducing the reflux, or backflow, of blood in deep or damaged veins. Compression also reduces inflammation and swelling, improves drainage of fluids from the leg, and can improve joint and tendon movement.


Compression devices like Sigvaris stockings are frequently used to treat chronic venous diseases. Doctors typically recommend compression devices for patients suffering from varicose veins, spider veins, heavy legs, leg ulcers, or edemas. Sigvaris stockings are also recommended for people who spend long hours either on their feet or sitting still without a break, people who frequently travel long distances, and expectant mothers.

Ganzoni & Cie AG has grown from a small family business in Switzerland. Company founder Moritz Ganzoni started out producing ribbons in 1864. In the late 1950s, the company began developing compression stockings with the help of Dr. Karl Sigg. Production under the Sigvaris name began in 1971, and in the 21st century, Sigvaris has become the company’s main brand.

Sigvaris stockings take advantage of modern developments in textile manufacturing. Depending on the strength and elasticity needed, stockings are woven from an assortment of natural and synthetic yarns, combined and covered for extra strength and durability. Once covered, the yarn must set for two weeks before being used. The stockings are then machine-knitted, stitched, dyed, and labeled before packaging and shipping.



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