It features a roomy fit for more comfort and a breathable upper, reinforced with a TPU overlay to ensure optimal protection. The redesigned X5 outsole is equipped with a rubber coating that covers the whole surface, from heel to toes. The aggressive studs provide great traction when the rough trails require you to hike your bike up. The stiff inner nylon foot plate delivers great pedal efficiency and the BOA fit system with L6 dial allows for easy, quick and precise adjustments.