Varisan Lui & Lei Legs Preventive Restful VARISAN REPLACED QUARTERS FOR HIM & LEI COTTON ON 18mmHg LEATHER, they are graduated compression knee-highs. 2A Graduated compression class ASQUAL 15-20mmHg certified Indications: prevention of prolonged standing edema prevention of venous thrombosis of the traveler symptomatic treatment of venous insufficiencies in the initial phase. Available colors Blue, Gray, Black, Bordeaux Cotton on the skin Compression class mmHg 1a 10-15 2a 15-20 Contraindications : hypodermic dermo in acute form, non-venous origin infections, known contact allergy to elastic guardians.