Always Infinity Size 4 With Wings Sanitary Pad 13's 12663 is the first sanitary pad with Flex Foam technology. They are the first-ever innovative pads with 0 feel, allowing you to be active without worry of leakage. Unprecedented flexibility conforms to your curves and coordinates with your movement so you. The wings ensures superior absorption with a soft top sheet designed to feel breathable, light and fluffy. 50% more back provides superior protection and incredible dryness that pulls wetness away from your skin, giving you a restful, full night's sleep.