ALPINESTARS SMX+ Boots - Black - US 12 / EU 47 2221019-10-47 Ball-Bearing Lock-Up Clutch Kit Powerful classic appearance

Powerful classic appearance

Strategic laser cut perforations allow adequate airflow in warmer riding conditions

3-dimensional displacement of the inner liner upon impact

turn and brake light with easy plug-n-play installation

2-into-2 headers welded to collector and muffler

ALPINESTARS SMX+ Boots - Black - US 12 / EU 47 2221019-10-47 Ball-Bearing Lock-Up Clutch Kit Powerful classic appearanceAdvanced 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