Vivian Lou Insolia® CLASSIC Weight-Shifting Insoles NWT - Never Used, Still In Packaging LARGE (US 10-11.5) The ONLY insole scientifically-proven to PREVENT foot discomfort caused by high heels. * Adjusts the pitch and position of feet in heels. * Shifts weight off the ball of the foot. * Stops feet from slipping forward. * Wear high heels 4x longer. * For all styles + types of shoes with a 2 inch heel or higher. * American Podiatric Medical Association