Outstanding comfort with first-class fit even for wide feet SlideLock system, Auto-locking one way sliding closure for great seal at top of boot Polymer composite buckles with Over-lock system and stainless steel base Inside of boot is flat and grippy for great bike feel Low-profile toe box for easy gear shifting Heel grip ankle design for stability when riding on your toes DualZone hardness on the sole Extended foot peg riding zone for arch and on the toes riding style Breathable mesh 3D liner with anti-slip reinforcement