The SMX Plus v 2 Boot perfectly blends sleek sports styling with advanced protection features developed in Alpinestars performance footwear department. The durable & light microfiber upper is reinforced with a rugged polymer protector & the exclusive Multi-Link Control (MLC) system prevents ankle torsion while offering freedom of movement. Features Advanced microfiber upper construction for lightweight high performance protection & superb levels of flexibility. Front flex area is constructed with a soft microfiber for improving abrasion resistance & natural forwards & backwards movement. Flexible accordion microfiber on Achilles gives enhanced natural movement. Strategically positioned ventilation area in heel & shin TPU for breathability & airflow. Outside entry/exit has stretchable accordion panel for a close fit & ease of entry & removal. Contoured high modulus shin plate protector gives superior impact & abrasion resistance. An evolution of Alpinestars unique Mul...