The Alpinestars SMX-S Riding Boot is engineered for performance-focused riders who demand protection, flexibility, and all-day comfort. Constructed from a durable microfiber upper, the SMX-S delivers a precise fit with excellent flexibility while incorporating advanced internal and external protection systems. Double-injected PU armor reinforces key impact zones including the shin, ankle, calf, heel, and toe, while a structured shank-reinforced sole provides superior arch support and riding stability. With ergonomic flex zones, advanced ventilation, and a secure side-entry closure system, the SMX-S is built to perform whether you’re commuting, carving corners, or touring long distances.Key Features
Durable high-tech microfiber upper for flexibility and comfort
Double-injected PU protection at shin, ankle, calf, toe, and heel
Hidden internal ankle protection panel for added impact resistance
CE Certified riding boot
Innovative ventilation at ankle, heel, and forefoot for airflow
Large instep and Achilles flex bellows for improved movement
Anatomical, removable PU foam footbed for comfort and cooling
Quick-drying polyamide lining with shock-absorbing padding
Exclusive rubber compound sole with structured shank reinforcement
Interchangeable bi-injected PU toe slider
Ergonomic last for precise performance fit
Inner side-entry system with elastic-mounted zipper and wide Velcro® flap for secure, adjustable closure