• other.
• Buckle closure.
• New TPU ankle protection system incorporating a biomechanical link between the middle and bottom sections of the boot helping prevent damage to the leg by providing progressive force for torsional forces.
• Redesigned instep and Achilles accordion flex zones construction for superior comfort, control and support.
• Incorporating an innovative one-piece injected dual compound foot shell with co-injected hard toe protector and integrated steel shank.
• Extended microfiber gaiter helps prevent excessive water and dirt entry.
• New, dual compound, removable anatomic footbed includes EVA and Lycra top for comfort and support ensures even weight distribution and reinforced heel.

Wide entry aperture for convenience and allows broad ranging calf fit adjustment and support. TPU medial side panel incorporates an advanced honeycomb rubber insert and is designed for excellent grip against the bike while guarding against impact. Innovative buckle closure system includes high-impact aluminium bridge closures, with memory settings and a quick release/locking system with self-aligning design for easy, precise closure and improved riding performance. All buckles are replaceable. Contoured calf protector plate is injected with high modulus polymer for impact resistance and incorporates Alpinestars’ developed blade flex system for greater precision control and movement, added protection for heel and Achilles tendon and helps prevent hyperflexion. New TPU ankle protection system incorporating a biomechanical link between the middle and bottom sections of the boot helping prevent damage to the leg by providing progressive force for torsional forces. Redesigned instep and Achilles accordion flex zones construction for superior comfort, control and support. Incorporating an innovative one-piece injected dual compound foot shell with co-injected hard toe protector and integrated steel shank. Shell is highly resistant to abrasion and impact, adds to the boot’s overall durability and improves boot’s streamlining. Extended microfiber gaiter helps prevent excessive water and dirt entry. Internal 3D lining includes anti-slide microfiber suede on the heel to help keep foot in position. Soft foam reinforcement on ankles and collar for long lasting comfort and shock absorption. New, dual compound, removable anatomic footbed includes EVA and Lycra top for comfort and support ensures even weight distribution and reinforced heel.