ALPINESTARS SMX+ Boots - Black - US 4 / EU 37 2221019-10-37 arai Vents are lightly mounted to

Vents are lightly mounted to remain frangible and easily come off in an impact so as not to snag on obstacles or cause excess rotational force

feel and protection

IC Duct5 * Uses a three-position slide gate to improve sealing for reduced noise and water intrusion

The SMX Plus v2 Boot perfectly blends sleek sports styling with advanced protection features developed in Alpinestars performance footwear department

Upper body protection by covering the rider's shoulders

ALPINESTARS SMX+ Boots - Black - US 4 / EU 37 2221019-10-37 arai Vents are lightly mounted toSMX+ Boots Black US 4 EU 37 Advanced microfiber upper construction for lightweight high performance protection and superb levels of flexibility, Front flex area is constructed with a soft microfiber for improving abrasion resistance and natural forwards and backwards movement, Flexible accordion microfiber on Achilles gives enhanced natural movement, Outside entry exit has stretchable accordion panel for a close fit and ease of entry and removal.