FEATURES Advanced microfiber main upper construction. Soft TPR heel insert allows freedom of ankle movement. Ergonomic TPU shift pad. Ergonomic boot shaping for forefoot streamlining. A class-leading, low-cut performance riding boot, the SMX-1 v2 Riding Boot. incorporates a host of technical innovations for improved levels of comfort, fit and durability. Constructed from a lightweight and abrasion-resistant microfiber upper and reinforced with strategically positioned TPU protectors, the SMX-1 v2 Riding Boot 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.