The AKU shoe for all those hikers who are looking for maximum protection and comfort. The new IMS3 exoskeleton sole made of Dual-Density PU is in the top range of the backpacking category with its lightness. The AKU Superalp GTX is therefore the ideal shoe for hikes, such as the High Wise Men of the Dolomiti, as well as excursions of several days in complete autonomy and with heavy loads on the back.IMS3In combination with the Internal Midsole System, the exoskeleton frame made of medium-density PU provides stability and protection. At the same time, the feather-light polyurethane inner part provides shock absorption and pressure resistance.ExoskeletonThe exoskeleton technology of the sole is particularly suitable for the Superalp GTX model. The midsole consists of a polyurethane outer skeleton that is raised at the rear to surround and protect the heel for optimal cushioning and protection.