Comfortable & Flexible: The socks are made with 30% spandex and 70% chinlon materialBreathable fabric features maintain stability and provides moisture absorption 20-30mmHg Graduated Compression Socks: They provide graduated compression from the ankle to upper thigh The socks deliver 360-degree stretch for greater flexibility Effective: Help to improve blood circulation,prevent the ankle,leg and foot swelling,reduce muscle cramping and prevent the risk of developing varicose veins,pulled and leg fatigue etc Anti-slip: Anti-slip silicone points inside for upper thigh,provide good grip and prevent slipping down easily Great For Daily Use: Suitable for all compression needs,like running,hiking,volleyball,basketball,cycling,baseball,yoga,workouts or any fitness activitiesThe calf sleeves are also perfect for everyday use especially for athlete,teacher,flight,recept