ALPINESTARS SMX+ Boots - Black/White/Red Fluorescent - US 11.5 / EU 46 2221019-1231-46 Speedzone Performance LLC 3D mesh lining for excellent

3D mesh lining for excellent breathability with anti-slip micro-suede on heel

64 cm W x 25

BD’s High Idle kits are designed to provide an elevated idle during these demanding situations

Triple stitched seams

ALPINESTARS SMX+ Boots - Black/White/Red Fluorescent - US 11.5 / EU 46 2221019-1231-46 Speedzone Performance LLC 3D mesh lining for excellentAdvanced 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