Like new condition, make me an offer! From website: Optimize your outdoor performance. Building on the success and versatility of the KSO and KSO Trek, FiveFingers presents the TrekSport for outdoor enthusiasts. It's 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. The "toe shoes" as they have become called are one of the fastest growing and most popular ways for people to exercise. Become a part of the barefoot revolution. Product Features Allows for a healthier lifestyle Allows for the body to move more naturally Eliminates heel lift Improves range of motion in joints Strengthens Muscles in the Feet Technical Specifications Materials: Upper: Sole: Footbed: Coconut Active Carbon Fiber TPU Toe Protection 4mm EVA Midsole & TC-1 rubber Antimicrobial microfiber Weight: Men's size 43 - 6.5oz. each, 13.0oz./pair