Fill in the gaps for an improved fit! Reduces fatigue and promotes beautiful walking. Regetta Loupe Insole Black M / L Insole Heel-hugging insole ● Just insert for fatigue relief! Prevents fatigue before it sets in. Your feet are constantly under stress, whether you're walking or standing still. Have you ever experienced pain in your heels or near the base of your toes after walking for long periods of time, such as at work, school, shopping, traveling, or concerts? If so, before you buy new shoes, we recommend trying Regetta's Loupe Insole!