PREMIUM COMFORT AND SAFETY The 4.5 Boot delivers comfort, control, and safety. The SlideLock auto-locking one-way sliding closure ensures a secure and comfortable seal at the top of the boot. Exceptional bike grip is guaranteed with the flat and grippy interior of the boot. The low-profile toe-box makes gear shifting easier and more intuitive. The boot's design focuses on ankle support, with a heel grip ankle design that provides stability when riding on your feet. The boot is lined with a breathable mesh 3D liner, which offers excellent air circulation, anti-slip reinforcement, and zero heel lift. Features: Fit: Out standing comfort with first-class fit even for wide feet. Closure: 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. Bike Grip: Inside of boot is flat and grippy for great bike feel. Toe-Box: Low-profile, for easy gear shifting. Ankles: Heel grip ankle design for stability when riding on the balls of your feet. Sole: DualZone hardness. Extended foot peg riding zone for arch and riding on the balls of your feet. Steel shank reinforced and CE certified. Inner Liner: Breathable mesh 3D liner with anti-slip reinforcement for zero heel lift. CE tested and certified as: EN13634:2017 - "Protective footwear for motorcycle rider". Sizing: US 7-13, UK 6-12, EU 40.5-48, CM 25.5-31. Plastic-free packaging.