High-living Compression Socks Running Anti Fatigue Graduated Travel Flight Sleeve is a great addition to your fitness wardrobe. It can help towards reducing shin splints, calf cramps, Achilles problems, pulled muscles, swelling and problems related to long-distance or regular traveling. It adds support and reduction in fatigue, soreness, cramping and chance of injury. These compression socks are not only highly functional but also a great-looking accessory. They are available in the respective sizes: Large/ Extra Large (Women) - Shoe Size:5.5-13 and Calf Size:14-19 Inches. and Large/ Extra Large (Men) -Shoe Size:7-13.5 and Calf Size:14-19.