SoleMat Insoles were engineered to have the proper biomechanics. The conforming top layer of memory foam contours to the foot offering a personalized comfort fit. The custom-formulated PU sub layer provides the proper support and resilience properties to ensure all day, long-lasting comfort. Wearing SoleMat Insoles eliminates the constant motion inherent with Industrial mats (and ineffective insoles)** that allows leg muscle fatigue to creep in.