Vibram FiveFingers Men"s TrekSport - Orange/Black/Grey Building on the success and versatility of the KSO and KSO Trek, Vibram FiveFingers presents the TrekSport. Our TrekSport offers a 4mm EVA midsole for plating protection and a lightly cleated 4 mm Vibram performance rubber outsole for added traction on a variety of surfaces. The Coconut Active Carbon upper offers natural breathability and abrasion resistance for maximum performance during your outdoor and athletic pursuits.