The Black from SuperfeetGrid® is particularly suitable for casual shoes, lightweight trail running, and mountain biking shoes. Simply replace the original insole from the manufacturer. With significantly more cushioning and support, your leg muscles will tire less quickly. You will also experience much better heel guidance in the shoes, which is very pleasant. If you have sensitive feet and pressure points ruin your day, then the SuperfeetGrid® Black DMP insoles are exactly what you need. Size B: 35 - 37, Size C: 37 - 39, Size D: 40 - 42, Size E: 43 - 45, Size F: 45 - 47, Size G: 48 - 50.