Summer model from Keen. The upper part is made of Fabric - Fabric. The material of the inside is textile. The insoles are made of synthetic material, textile and give great comfort. The material of the antislip sole is high-quality material. The Cleansport NXT, Contour Arch, ECO ANTI ODOR, Flex Zone, Keen Protect, Metatomical Footbed, Non-Marking, PU (Poliuretan) technology is a big advantage of this model. Perfect model to wear during high temperatures.