ALPINESTARS SMX+ Boots - Black/White/Red Fluorescent - US 12 / EU 47 2221019-1231-47 Frame Guards as well as structural integrity

as well as structural integrity Main upper constructed from an advanced microfiber for comfort

more progressive engagement

Twill main fabric and sandwich visor Structured crown

Note that both right- and left-hand threads are included in both the rods and studs for easy and proper installation

and improved performance on the shifter

ALPINESTARS SMX+ Boots - Black/White/Red Fluorescent - US 12 / EU 47 2221019-1231-47 Frame Guards as well as structural integrityAdvanced 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. Contoured high modulus shin plate