PERFORMANCE IMPROVEMENT: Our high quality compression running socks are a great addition to your training equipment for running, cycling, basketball, soccer, crossfit, weightlifting and many other sports. The graduated pressure compression from 15 to 20 mmHg ergonomically adapts to your foot and ensures a tight fit around nerves and muscles to increase blood flow and reduce inflammation. May also help with edema and heel spur healing. Also helps strengthen the foot to prevent future muscle injuries. Made from 79% nylon, 9% lycra, 12% nylon. This high-quality, sweat-wicking mixture wicks moisture away from the feet and prevents crusting between the toes. We understand that every foot has its own curves and characteristics. That is why each sock has been specially developed for the right or left foot to ensure optimal fit and comfort. Strong protection on the ankle and foot helps to enforce balance to prevent twisting and sprains caused by excessive stress. This durable rubber band minimizes friction and supports the plantar arches of your feet. Using three-dimensional modeling, Thirty48 developed these low-cut compression running socks for an anatomically correct fit. These include: heel pull tab for easy on and off, seamless, no blisters, no toe cap, full ankle coverage prevents shoes from rubbing.