The SMX Plus v2 Boot perfectly blends sleek sports styling with advanced protection features developed in Alpinestars performance footwear department. The durable and light microfiber upper is reinforced with a rugged polymer protector and the exclusive Multi-Link Control (MLC) system prevents ankle torsion while offering freedom of movement. * Flexible accordion microfiber on Achilles gives enhanced natural movement. * Strategically positioned ventilation area in heel and shin TPU for breathability and airflow. * Stretchable accordion panel for a close fit and ease of entry and removal. | Article: Alpinestars SMX Plus v2 Motorcycle Boots, black-white-yellow, Size 40 for Men