ALPINESTARS SP-1 v2 Vented Shoes - Black/Silver/Yellow Fluorescent - US 12 / EU 47 251131815947 X-Grip Frame Protectors One-piece internal knee

One-piece internal knee

LED taillight has a universal number plate holder

while allowing more airflow than two separate layer filters (flow bench proven)Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead air space around the filter for better performance

The SMX Plus v2 Boot perfectly blends sleek sports styling with advanced protection features developed in Alpinestars performance footwear department

ALPINESTARS SP-1 v2 Vented Shoes - Black/Silver/Yellow Fluorescent - US 12 / EU 47 251131815947 X-Grip Frame Protectors One-piece internal kneeMicrofiber upper Perforated microfiber panels on lateral and medial quarter areas plus medial side perforation zone for enhanced airflow Tongue is made with breathable mesh to improve airflow Rear accordion panel is lightweight padded material Speed lacing system derived from Alpinestars MotoGP technology for a quick, precise, secure closure Ankle opening closure system using a hook and loop strap with debossed Alpinestars logo Foam backed double