ALPINESTARS SMX 1 R V2 BOOTS BLACK RED US 10 5 EU 45 - 3401-0806Class 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 Thermoplastic Polyurethane (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