Vibram five fingers mens kso is very popular these days. The KSO's quick drying upper and non-marking flexible razor-sipped rubber make it suitable for a wide variety of activities including rock hopping by a river, running, gym activities, and even kayaking. There are a thin, abrasion-resistant stretch polyamide and mesh upper that wraps your entire forefoot to keep stuff out. A single hook-and-loop closure helps secure the fit. Five fingers shoes stimulate the muscles in your feet and build strength, endurance. The quality of this shoe is 100% guaranteed. If you buy the shoes in our store, you will enjoy favorable price, free shipping and fast delivery.