Vibram 5 Fingers Treksport optimizes your outdoor performance. Building on the success and versatility of the KSO and KSO Trek, Vibram Five Fingers Shoes presents the TrekSport for outdoor enthusiasts. Treksport 5 Fingers Vibram designed with rugged, high-performance materials to help maximize your outdoor experience. We’ve used abrasion-resistant Coconut Active Carbon in the upper for natural breathability, 4mm EVA in the midsole for plating protection, and we’ve added a lightly cleated 4mm Vibram® performance rubber outsole for extra traction on a variety of terrain.