This London Marathon 2019 Red Warm Foil Unused Running Aid is the perfect addition to any runner's gear. Crafted with top-quality materials, this aid will keep you warm and comfortable during your marathon. Its red colour adds a pop of brightness to any running outfit. It has never been used, ensuring that its quality and effectiveness is at its peak. The warm foil material traps heat, keeping your muscles warm and preventing injury. This aid is a must-have for any serious runner and will enhance your performance without fail.