- Reduces stress and strain on your lower body while you walk - Helps relieve and reduce muscle soreness so you can enjoy walking day after day - Designed to protect each part of your foot through the full range of your stride - With stimulating nodes for added responsiveness while walking We designed Dr. Scholl’s® Athletic Series Fitness Walking Insoles with superior cushioning that helps reduce muscle fatigue in your feet and legs so you can walk longer with greater comfort. HOW TO USE: Pull out the insole that came in your shoe, and place it on top of Dr. Scholl’s® insole with the heels lined up and fabric side facing up on both. Replace insoles every six (6) months or at the first signs of wear.