ALPINESTARS SMX-S Boots - Black - US 8 / EU 42 224351710042 102-0071 design of the outer shell

design of the outer shell profile

and efficiency

External: 8

79 Moving Mass 268

where the bottom profile is raised to clear the collarbone (clavicle) Energy absorption pad incorporated into the area of the base pad where it sits over the rider’s collarbone

ALPINESTARS SMX-S Boots - Black - US 8 / EU 42 224351710042 102-0071 design of the outer shellDurable 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