Dr. Scholl’s® Active Series All-Purpose Sport & Fitness Comfort Insoles are designed for people who participate in a range of athletic activities where they experience muscle fatigue in their feet and legs. Protects and reduces stress on lower body joints. Helps protect feet, knees & lower back from shock. Dr. Scholl’s® Active Series All-Purpose Sport & Fitness Comfort Insoles are designed for multiple sports & athletic activities including fitness classes.