ALPINESTARS SMX-S Boots - Black - US 9 / EU 43 224351710043 Backfire Filter Reflective details on sleeves

Reflective details on sleeves

strategically-positioned perforation zones for excellent breathability and ventilation

Adds custom fit and appearance Made of chromed steel and provides a precision fit Made in the U

YZ and UFO universal rear fender

Ergonomically profiled carbon fiber knuckle provides exceptional impact and abrasion protection

ALPINESTARS SMX-S Boots - Black - US 9 / EU 43 224351710043 Backfire Filter Reflective details on sleevesDurable 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