The [shoe] has a Stratus sole and therefore a higher Rebound-Effect. The Stratus sole is the kybun standard sole since 2016. This type of sole offers maximum effect as well as the ultimate in training performance and absorption. The foot pressure is evenly distributed and the power supply is optimised. The elastic and springy material compensates poor postures and misalignments by stretching the posterior muscle chain with each step and the full-length sole profile with larger contact area to the ground ensures optimal grip on any surface.