Advanced microfiber main upper construction. Extensive perforations throughout provide maximum airflow. Soft TPR heel insert allows freedom of ankle movement. Ergonomic TPU shift pad. Angled closure strap follows natural shape of riders instep. The Alpinestars SMX-1 R V2 Vented Motorcycle Boots are engineered for riders seeking a balance of performance, comfort, and protection. Constructed from lightweight, abrasion-resistant microfiber, these boots feature extensive perforations and a textile front bellow for maximum airflow, ensuring your feet stay cool during intense rides. Strategic TPU protectors enhance abrasion resistance and impact protection in critical areas. The rubber compound sole is designed with superior grip patterning, providing excellent traction both on and off the bike. Accordion flex zones at the instep and Achilles offer support and control, accommodating various riding positions. Whether you're navigating city streets or tackling winding roads, the SMX-1 R V2 Vented Boots deliver the performance and protection you need.