Truform 20-30 Men's dress-style support socks provide graduated compression to help energize the legs - ideal when sitting or standing for long periods. Nylon-spandex materials are soft and resemble specialty store, designer-knit socks. Contemporary rib-knit styling is suitable for business or business-casual wear. Ideal for moderate swelling or lymphedema, DVT (deep vein thrombosis), post-surgery, moderate varicose veins – prescription recommended. Indication Guide for Truform 20-30 Socks: - Tired, aching legs - Moderate varicosities - Moderate edema - Post sclerotherapy and other surgery - Help prevent recurrence of venous ulcerations - Superficial thrombophlebitis Care instructions: Wash gently with mild soap or detergent in lukewarm or cold water. Do not wring or twist. Rinse until water is clear. Roll in a towel to remove excess moisture. Dry flat away from heat and sunlight.