FIRM SUPPORT MEDICAL HOSIERY Very durable, offers good cosmetic cover up and warmth. All offer carefully designed, graduated compression. Should be worn with your doctor's consent. Proper fit is mandatory, so please take your measurements first thing in the morning before any leg swelling distorts accuracy. Firm Support 20-30mm/Hg. Provides quality and efficacy with maximum surgical support. Constructed of a softer, stretchier yarn for a more comfortable fit and easier application. Wide comfort band keeps them in place without binding. Cotton crotch panel with Nylon reinforcement for hygienic all day wear. Reinforced heel for added durability. Beige only. Firm Support 20-30mm/Hg Very Firm Support 30-40mm/Hg Jobst Very Firm Support 30-40mm/Hg at the ankle should only be used when recommended by a doctor.