Acrylic Fibres. Therapeutic Effect: The socks provide graduated compression from the ankle to the upper calf, promoting blood circulation and helping to relieve tired, aching, and fatigued legs. These compression hosiery are ideal for varicose and spider veins, diabetic support, long flights, and general swelling or inflammation of the legs and feet. Beautiful & Comfortable: Made with fine yarns for a sheer appearance and soft feel, designed for all-day wearing comfort. Using specialized manufacturing equipment and medical-grade fabrics, these durable and opaque calf sleeves offer therapeutic comfort for both men and women. Suits Your Activity: Compression hosiery helps stabilize muscles, prevent pain, injuries, and shin splints. Ideal for running, hiking, volleyball, basketball, cycling, baseball, yoga, workouts, and other fitness activities. Suitable for low or high impact exercises, aiding in safe warm-up and quick recovery. Also appropriate for everyday use, including during pregnancy, standing for long periods, or air travel. Graduated Compression: 20-30 mmHg graduated compression delivers maximum pressure at the ankle with progressive reduction up the calf, enhancing blood flow back to the heart. Helps relieve symptoms of strain, varicose veins, shin splints, and restless leg syndrome while supporting healthy circulation and leg health.