Level 1 and level 2 compression stockings are mainly used for the prevention of varicose vein valve insufficiency, that is, the prevention of the causes of varicose veins, such as standing, sitting, chronic cough, obesity, etc. Level 2 compression stockings are used for the prevention of varicose veins. Level 2 stockings are used for people who already have varicose veins or edema in their legs and have deep vein valve insufficiency, which is the difference between varicose veins stockings level 1 and level 2.