All the features of our Total Support© Original in a thinner ultra-light insole * TPR Gel air grid pods and forefoot pad are perfect for low-volume or minimal running shoes * Most rigid replacement insoles offer some motion control and stability but that's where the similarity ends: Spenco© Total Support© Insoles feature our patented 3-POD© Modulation System: By positioning pods with varying degrees of hardness beneath key areas of the foot Total Support© Insoles change the ground forces reaching the foot during activity * This tunes the ride for increased performance and superior comfort while helping to reduce over-pronation--a common problem that causes foot leg and back pain * Spenco© Total Support© Insoles are unconditionally guaranteed for one year * Total Support© Technology aids in the relief of symptoms caused by Plantar Fasciitis