During athletic activities, the foot is subject to the shock impact of 2-3 times your body weight. Dr. Scholl’s® Performance Insoles reduces shock and helps to prevent pain from shin splints, runner's knee and plantar fasciitis. It is designed for athletes and includes a triple zone for full foot protection:The padding at the ball of foot improves cushioning and helps distribute pressure throughout push-off at the ball of foot.The arch is reinforced to support the foot and its unique design improves transition of weight from landing to push-off around the arch area.The deep heel cup absorbs impact with every step and is vey responsive. The insole also has a 3D weave topcloth with DryMAX™ technology to help eliminate odour.