ALPINESTARS SMX+ Boots - Black/White/Yellow Fluorescent - US 7.5 / EU 41 2221019-125-41 right hand drive 4SL is designed to deliver

4SL is designed to deliver LOUD audio with striking clarity and remain durable in the worst of the elements

Professional Audio Speakers should slay their respective frequency ranges

It’s a smart

6" / 218mm Overall Depth 9

Sold as a set of 2

ALPINESTARS SMX+ Boots - Black/White/Yellow Fluorescent - US 7.5 / EU 41 2221019-125-41 right hand drive 4SL is designed to deliverAdvanced 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