Description of Kayland Dragonfly eVent Trail Running Shoes The culmination of years of development and testing with our professional athletes, Kayland introduces the Dragonfly eVent and the Dragonfly, technical trail runners built forspeed, stability, and comfort. How did we do it? This shoeis packed with performance features such as the ultralightmesh/microfiber upper, gusseted tongue, abrasion resistant patches in high-wear areas, our Contact Lacing System combined with an integrated Heel Lock System, an overmolded TPU support structure, and our new Kayland Surefly Sole Features: New Heel Lock System New Kayland Surefly Sole Overmolded TPU Ribbing Ultra-Light Upper eVent® lining Trail insole Fast last Level of rigidity - 2 Three dimensional mesh lining Kayprotect midsole Kayland Surefly sole Three dimensional mesh + gramshaving microfiber upper 320 g.