Amazon.com | INOV-8 Men TrailFly Ultra G 300 Max, Color 。Conquer the most demanding trails with these high performance long distance running shoes. Engineered with Graphene-enhanced foam for incredible energy return and durability that lasts for miles. The breathable mesh upper keeps your feet cool while the adapter-fit technology reacts to your natural foot movement. Experience unparalleled grip on technical terrain with the iconic G-GRIP rubber outsole. Perfect for ultra runners seeking maximum cushioning without sacrificing ground feel or stability. Keywords: Trailrunning, Ultrarunning, Graphene, G-Series, Outdoors, Hiking, Athletic, Performance, Rugged, Technical, Blue, Sporty, Fitness, Cross Country, Marathon Please refer to images for all style, condition, and sizing prior to purchase.