<p>The ultimate boot built for the best all-around rider, Guenther Oka! The Pulse 4D delivers all the performance and flexibility you'll need. The adjustable upper Velcro strap makes for a custom feel, while the lower lace zone locks you into place and ready to ride. Experience the dependablity of the Pulse 4D.</p> <br> <ul> <li>Guenther Oka Pro Model</li> <li>Medium to Wide Fit | Medium Flex Profile</li> <li>Articulating Flex panel Upper Design</li> <li>Ankle Lace Loop Heel Hold System</li> <li>Adjustable Velcro Top Strap | Single Zone Lacing with Hex Lock</li> <li>4D Chassis System</li> <li>Honeycomb Flex Floor Cushioning System</li> <li>45 Degree Angle Attachment Points</li> <li>Full-length Chassis Water Drainage System and 3D Contoured Impact EVA Liner Bottom</li> <li>TPE Chassis Impact Dampening Base</li> <li>Reflex Performance Liner with Dual Density EVA</li> <li>Compatible with Liquid Force Flextrack System</li> <li>Sizes: 8-9 | 9-10 | 10-11 | 11-12 | 12-13+</li> </ul>