The marana vulc is a slimmer version of the instant classic marana that is built on a vulcanized outsole the rubber printed toe cap offers durability and the sti evolution foam insole provides excellent rebound and cushioning without packing out the mesh tongue and collar lining provide breathability while the reinforced upper provides supportfeaturessti evolution foam insoleperformance durability redefinedfoam lite 1 insolevulcanized outsolerubber printed toe capmesh tongue and collar lin