These size 8 Sorbo-Pro Insoles will fit all kinds of sports shoes and are sold as a pair.Created to deliver the highest possible level of impact shock absorption, they cushion the foot and keep the ankle joint properly aligned so as to prevent the development of pain and injuries. They also incorporate a silver-based anti-bacterial treatment that helps to keep footwear fresh and hygienic. Used in place of a standard insole, they provide superior levels of comfort and perform reliably, even with extended use. They may be used to provide comfort and support in any activity ranging from daily chores to high impact sports and fitness training.