ALPINESTARS SMX+ Boots - Black - US 9 / EU 43 2221019-10-43 GP Knee Sliders Rib at cuffs and hem

Rib at cuffs and hem

Designed around the championship winning Team Graves Yamaha race program

Available in black only

Offers the same performance as the Ti-6

Designed to increase horsepower and throttle response

ALPINESTARS SMX+ Boots - Black - US 9 / EU 43 2221019-10-43 GP Knee Sliders Rib at cuffs and hemAdvanced 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