A class-leading, low-cut performance riding boot, the Stella SMX-1 R v2 Vented Riding Shoe incorporates a host of technical innovations for improved levels of comfort, fit and durability. Constructed from a lightweight and abrasion-resistant microfiber upper with extensive perforations for maximum airflow and breathability, this shoe is also equipped with strategically positioned TPU protectors for abrasion resistance in a key area. The Stella SMX-1 R v2 Vented Riding Shoe also features a rubber compound sole with superior grip patterning for excellent grip both on and off the bike, while the accordion flex zones give support and control regardless of your riding position. 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 rider's instep. Front Velcro closure system, with reverse zip. Compound rubber sole with grip patterning. Instep and Achilles accordion flex zones. Thermowelded flex grooves control flexion. Replaceable bi-injected TPU forefoot slider. External, high modulus TPU heel counter. Internal toe box protection. Removable anatomic foot bed. Internal mesh lining provides cooling comfort. CE-certified. Double-density ankle protector on both sides.