The Spenco Ground Control insole, available in three arch heights, reduces excess material around the heel to smooth out your foot-strike. With updated learning on the mechanics of the foot, Ground Control seeks to work with the foot, not against it. The neutrally positioned center-of-pressure design centers the foot and reduces pronation forces. The Spenco Ground Control insole, available in three arch heights for optimized support at fit. Aim to reduce pronation with a decoupled heel while using hybrid impact and energy return zones to work with the foot, not against it. Separating the heel from the arch support and forefoot reduces pronation during foot strike. Designed for active individuals.