Sidas Gel Heel Pads These gel heel pads absorb shocks all day long for optimum comfort. The Sidas gel heel pads work to absorb shocks and provide optimum comfort. By reducing the impact when the foot strikes the floor, any potential damage to your foot will be reduced. In the case of existing pain, the gel protects the feet from impact by absorbing the shock, helping you to perform even when injured. The pads are specifically designed to help with heel or foot problems by providing gentle cushioning for sore or tender heels. The pads also work to prevent blisters or burning sensations allowing you to perform at your best for longer.