Thin and flexible so that it contours to your body's movement Sweat-dry absorbent core helps to wick mositure away, keeping you dry and fresh Stays in place: ideal for your workout Breathable backing: allows air to circulate so your skin breathes naturally Perfect for active freshness during your workout U by Kotex Sport Liners are specifically designed for sport active freshness. Whether you're into low, medium or high impact workouts, these breathable Sport liners have a Sweat- Dry Core to wick sweat away- perfect to help you feel dry and fresh during your workout.