ALPINESTARS SMX+ Boots - Black - US 4 / EU 37 2221019-10-37 arai IC Duct5 * Uses a

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

A-Head Fitment System * Allows the helmet to be tuned exactly to the rider's preference by having the ability to adjust both the height and angle at which the helmet sits on the head

Replaceable heel slider and external side heel slider are positioned to dissipate and absorb shock and promote sliding during an accident

easy and convenient recharging

ALPINESTARS SMX+ Boots - Black - US 4 / EU 37 2221019-10-37 arai IC Duct5 * Uses aSMX+ 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.