The KSO remains among our most versatile styles for women. Featuring a thin, abrasion-resistant stretch nylon and breathable mesh upper that wraps your entire forefoot to ¡°Keep Stuff Out.¡± A single hook-and-loop closure helps secure the fit. A non-marking 3.5mm Vibram TC1 performance rubber outsole is razor-siped for a sure grip, and a 2mm EVA insole enhances plating protection and comfort.