ALPINESTARS SMX+ Vented Boots - Black/White/Red - US 12.5 / EU 48 2221119-1231-48 Supertech R10 The Tech-Air Off-Road System features

The Tech-Air Off-Road System features dual charge capability which means that with two full gas inflators

Features three movable

Eight-piece multi-density EPS liner with six specific densities that are strategically positioned in different zones to ensure excellent energy absorption from impact forces dissipated over the outer shell

Shell and EPS structure designed to minimize rotational accelerations (FIM homologated)

ALPINESTARS SMX+ Vented Boots - Black/White/Red - US 12.5 / EU 48 2221119-1231-48 Supertech R10 The Tech-Air Off-Road System featuresSMX+ Vented Boots Black White Red US 12. 5 EU 48 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., Advanced microfiber upper construction for lightweight high