Don't try and fit the insoles, let the Superfeet Women's Max Comfort Insoles fit you. The women's-specific contour is designed to give a close and personalized fit. Keep your foot supported with the medium to high arch structure. 5mm Aerospring™ Rebound dual foam is added to push this insole from comfort to Max Comfort. This insole is part of the Superfeet Run specific line, which is designed to give you all the quality of the Superfeet design but catered to the forward motion of running.