THERAPEUTIC EFFECT: Therapeutic compression hosiery which promotes blood circulation, helps relieve tired, aching, fatigued legs. Ideal for treatment of varicose and spider veins, diabetic support, long flights and general swelling or inflammation of the legs and feet. GRADUARED COMPRESSION: The 3 intervals of 20-30 mmHg graduated compression deliver a compression action to the leg that is greatest at the ankle, decreasing gradually up the calf, towards the heart. It helps reduce and prevent swelling for the wearer, maintaining positive circulation and leg health. Its level of compression is comfortable and safe, perfect for use after surgery. COMFORT & DURABLE: Opaque and durable socks created with your comfort in mind for both men and women. Utilizing Germany specialized fabricating machinery and medical grade Lycra fabrics, we are able to create a higher quality compression sock in a great value. The fabrics keep an optimal temperature and good air permeability with soft feeling for all-day wearing comfort. HUMANIZED DETAIL DESIGN: Breathable fabrics make the calf free skin breathing, thereby inhibiting the breeding of bacteria. Skin feel comfortable, non-irritating. Thicker, ultra-stretchy fabric is for donning easily. Flexible but snug in wider elastic band helps the socks remain in place throughout the day. Thicker and smooth-knit stay-up top is designed for wearing comfort.