Provides a gentle massaging action to help prevent the formation of blood clots associated with post-surgical inactivity. Graduated compression has been proven effective in the prevention and treatment of venous disorders. The compression of the hosiery is greatest at the ankle and decreases as it moves up the leg. Graduated compression helps to improve circulation and valve functioning. Medium Long: Length 16-17 inch. Directions: Care: Wash gently with mild soap or detergent in lukewarm or cold water. Do not wring or twist. Rinse until water is clear. Roll in towel to remove excess moisture. Dry away from heat and sunlight.