A protective shoe for the serious trail runner with water repellent mesh. Outsole with X Lugs designed to grip in many conditions including rock. Concave wave and Xtatic ride engineered to give optimum trail security and performance. Xtatic groove allows foot to flex and grip terrain while absorbing forces from uneven ground.Mizuno Wave: Unique technology that provides both cushioning and stability and can be engineered for all types of runners.Dynamotion Fit: Shoes that move the way you move The Dynamotion Fit system uses the latest motion capture and biomechanics technology. Mizuno has developed a design blueprint to engineer shoe sthat work with your foot throughout the gait cycle.X10: The most durable carbon rubber that allows for longer wear in high impact areas and supplements traction at heel strike.Water Resistant Mesh: Coated mesh that is water resistant.Wet Traction: Bi directional outsole rubber synthetic leather compound breaks through water, improving grip in all conditions.Premium Insock: High grade removable insock for premium comfort, cushioning and durability.U4iC - A unique midsole compound that rides and cushions like Mizuno's ap+ midsole (Increased cushioning and comfort levels that just go on feeling like new due to a huge improvement in durability) but it is approximately 30% lighter without any loss of comfort or performance. Xtatic Ride: Xtaticride is Mizunos new technical trail concept. Including Xtatic lugs and Xtatic groove, the Xtatic ride concept ensures grip, cushioning and security while giving the runner the smoothest most dynamic trail ride possible.