Specification: 15-22 (kids), 22.5-24.5 (women), 25-29 (men) Lightweight, flexible, comfortable, suitable for sports shoes Color 15-22 (kids), 22.5-24.5 (women), 25-29 (men)Lightweight, flexible, comfortable, suitable for sports shoesColor/hardness (shore C)/thickness (front and back)/width: can be made according to client's requirement OEM orders accepted