Ride in complete comfort and style in the athletic and nimble Prion. Designed with an easy flex, ideal for beginners, this boot will help you progress to the next level. The 3D molded tongue allows for a smooth flex to transition from edge to edge with ease. Get rid of the slop with the Integrated Internal Lacing and Grip and Rip Heel Hold, locking your foot in place. The new heat moldable Comfort Fit Liner combined with the Evolution Foam Outsole, cushions every bump so you can ride in comfort all day long.