Product DescriptionNuVein 8-15 mmHg "mild strength" Compression Gym Socks for Men. Made in the USA. Designed as a mens everyday casual style tube or trouser sock with therapeutic medical grade compression support. Plush rib knitting and cushion foot sole is perfect for users with sensitive feet. Microfiber nylon stretch increases comfort and air flow in all seasons with the added benefit of easy on application and easy off removal. Ultra soft and smooth yarns with a flat irritation free toe seam fit inside tennis shoes sneakers boots and sandals. Integrated performance features and odor resistant finishing is useful for both athletic and active users. Completely latex free. Graduated compression technology helps improve circulation and revitalizes legs. NuVein is available in "Mild (8-15 mmHg) Strength Regular (15-20 mmHg) Strength Extra (20-30 mmHg) Strength and Maximum (30-40 mmHg) Strength" compression levels. Compression strength is measured in "mmHg" pressure units which indicates how tight the garment will feel. Choose 8-15 mmHg (mild strength) for proactive care. Choose 15-20 mmHg (regular strength) to revitalize legs with mild to moderate discomfort swelling bulging or blood clots (fluid buildup post surgery). Travelers who experience "economy class syndrome" or "jet leg" should wear 15-20 mmHg as should pregnant expecting or nursing mothers. Regular 15-20 strength is the common starting point for first time wear. Choose 20-30 mmHg (extra strength) compression for patients suffering from: DVT Edema Varicose Veins Sclerotherapy in Lymphatic System Laser Vein Ablation Thrombosis and EVLT Endovenous Radiology. Choose 30-40 mmHg (maximum strength) when specifically directed by a doctor for severe conditions. Always confirm the correct compression strength prior to purchase. Increasing compression strength will impact application and feel tighter. NuVein hose feature classic styling and a breathable opaque smooth fabric that conceals topical bulging veins. Closed toe options will not compress or bind foot when worn in shoes. Open toe model for easy toe inspection and permit one standard size to fit a variety of foot length dimensions. Measure when swelling is at a minimum. Sold in pairs.Manufacturer Contact Information3960 Rosslyn Dr Cincinnati OH 45209