Dr Scholls Run Active Comfort Insoles are designed to relieve and prevent pain from common sports injuries like runner's knee, shin splints, and plantar fasciitis. They feature supportive cushioning, reinforced arch support, and a unique 3-zone heel-to-toe design to reduce shock and keep you on your feet longer. Key Features Relieves runner's knee, shin splints, plantar fasciitis Supportive cushioning reduces shock Reinforced arch support Unique 3-zone heel-to-toe design Polygiene StayFresh technology Trim to fit design Suitable for athletic activities Designed for runners Key Materials: Massaging Gel and Polymer frame. (Designed with specific heel/arch structure for running, providing shock absorption and energy return).Dr Scholls: Trusted in foot care since 1904, specializing in comfort insoles and foot health solutions.Remove your shoe’s current insoles if possible. Place removable insoles against the back of Dr. Scholl’s insole and trim to match old insole size. Place insoles in shoes toes first with the cloth side up, ensuring the heel rests firmly in the heel of your shoe.Warning: If Pain Persists, Consult A Physician. If You Have Diabetes, Poor Circulation, Or Fragile Skin, Consult Your Doctor.