ALPINESTARS SMX+ Boots - Black/White/Yellow Fluorescent - US 10.5 / EU 45 2221019-125-45 Scorpion Low-Profile Lock-Up Clutch speed or fuel efficiency

speed or fuel efficiency

Innovative design helps with increased bottom to mid-range power

Can be used on fork seal retaining rings also

These adjustable rearsets feature the ability to fine tune your Yamaha R3's peg height to the optimal height for better ground clearance and rider comfort

Metallic ceramic-based black paint

ALPINESTARS SMX+ Boots - Black/White/Yellow Fluorescent - US 10.5 / EU 45 2221019-125-45 Scorpion Low-Profile Lock-Up Clutch speed or fuel efficiencyAdvanced 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