ALPINESTARS Fastback v2 Shoes - Black - US 13 2510018110013 National T-Shirt Biomechanical medial blade system allows

Biomechanical medial blade system allows good front/rear boot flex and added support and impact resistance for the ankle

Performance Machine Off-Road bearing carriers are made from 7075-T6 billet aluminum and feature a double sheer pin for maximum strength

Graves Product Adjustment shaft is made of grade 5 titanium with a satin black fresh green process giving it a Rockwell 70 surface hardness

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ALPINESTARS Fastback v2 Shoes - Black - US 13 2510018110013 National T-Shirt Biomechanical medial blade system allowsMicrofiber material construction with a rubber finish for abrasion resistance and durability Drystar membrane layer between boot upper and inner boot lining for proven all weather performance and comfort Punched microfiber on lower boot tongue collar eyelet for added durability and a dynamic look Lace closure system with adjustable hook and loop strap for a secure, easy and comfortable fit TPR ankle guard is layered under the boot upper on the lateral