Alpinestars SM-X Plus Vented Racing Boot

Alpinestars SM-X Plus Vented Racing Boot - Features

Sport bike boots are a safety necessity for track day riding.  Review the features of this vented motorcycle boot to see how it will improve your riding comfort on the race track

• A high-performance boot for road racing, track days or sport riding
• Boot's external design provides a high level of protection from abrasion and impact
• Contoured, high modulus PU (Polyurethane) injection shin plate protector
• Synthetic boot forefoot lining is laminated with open-cell foam
• Ankle and leg areas have highly breathable lining for comfort
• U-shaped calf protector protects internal and external ankle/calf area
• Boot top features recessed buckle area for additional calf protection; replaceable ratchet buckle closure features hidden strap for security and is integrated with calf slider
• Wide, ventilated heel protector combined with shock-absorbing padded insert and self-molding internal ankle protectors
• Replaceable aluminum heel sliders on rear and sides of ankle guard absorb shock and impact during falls or slides
• Boot has internal patented ankle brace with shock-absorbing material
• Upper boot construction is lorica and leather for flexibility and strength
• Instep flex area has extended, thermoformed bellows for soft back-and-forth flex
• Toe sliders and shift pad are injected PU for protection and wear resistance; toe sliders are flexible and replaceable
• Speed lacing system with Kevlar laces gives a precise, comfortable fit
• Unique, protective lateral zipper closure has reflective piping
• Boot sole is a design that improves feeling between rider's foot and footpegs of the motorcycle

Alpinestars SM-X Plus Vented Racing Boot - Sizing