39-313 Spenco® TOTAL SUPPORT™ Original Semi-Rigid Arch Support for Stability. Target Consumer: Athletes looking for semi-rigid support who participate in a variety of physical activities. Consumers seeking semi-rigid support and motion control. Recommended For: Increased shock absorption. Advanced support for the arch and heel. Improved motion control to reduce over-pronation and supination – the leading cause of many common injuries such as plantar fasciitis. Unconditionally guaranteed for one full year.