ALPINESTARS SMX-S Boots - Black - US 9.5 / EU 44 224351710044 Spark Plug/Head Bolt Cover Lightweight single straps on upper

Lightweight single straps on upper frames and buckle system promotes secure fitment of brace in all riding positions and effortless mounting

billet aluminum flanges and a titanium diamond shaped silencer with a carbon fiber diamond outlet tip

A stainless steel mid-pipe mates to the computer-designed rear can for lightweight durability

sporty sound that enhances the system’s sporty heritage

with tie down loops for added security

ALPINESTARS SMX-S Boots - Black - US 9.5 / EU 44 224351710044 Spark Plug/Head Bolt Cover Lightweight single straps on upperDurable microfiber upper construction offering superb levels of flexibility and comfort Incorporating a waterproof and breathable membrane for high levels of comfort and weather performance TPU shin plate protector is ergonomically optimized for superior impact and abrasion resistance Lateral TPR injected ankle support construction offers optimized levels of protection and stability TPU double density ankles protectors are layered under the upper in