Description:In just over a year, the KSO has become our most popular model. 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. Machine Washable, Air Dry KSO is best for: Running, Fitness Training, Cross Fit, Light Trekking, Bouldering, Water Sports, & Travel. FREE POSTAGE IN REP. IRELAND ONLY