In just over a year, the KSO has become our most popular model for men. 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 sole is razor-siped for a sure grip, and a 2mm EVA midsole enhances plating protection and comfort.
Popular Uses: Running, fitness, training, crossfit, light trekking, boulder, water sports and travel
-UPPER - abrasion-resistant stretch polyamide fabric & Hypalon straps
-SOLE- Vibram TC-1 performance rubber
-FOOTBED- Antimicrobial microfiber
**Machine washable. Air dry.**