Alpinestars SMX-6 V3 Boots — US 11.5, Black

The SMX-6 V3 is a track-focused, high-performance boot engineered for riders who demand race-derived protection and street comfort. Packed with innovative safety and protective features, it gives riders a crucial performance edge on both track and road.

• Advanced microfiber upper construction for lightweight abrasion resistance and superb flexibility
• Front flex and back flexion zones with textile over-injected soft TPU for enhanced impact abrasion protection while promoting natural forward and backward movement
• Alpinestars unique ankle brace protection system provides bio-mechanical support between the lateral top calf, shin and ankle to limit hyper-torsion, hyper-extension and hyper-flexion while offering Achilles and ankle impact protection
• Alpinestars Lace-Lock System made from advanced polymer resin for a quick, precise and secure closure
• Equipped with a TPU shifter zone and a strategically positioned, race-derived TPU shin plate for superior impact and abrasion resistance
• Dual density TPU ankle protectors placed between the upper and padded lining for targeted protection in key areas
• Replaceable dual density TPU toe slider with screw-in assembly, plus replaceable heel and external side heel sliders for comprehensive impact, shock dissipation and sliding protection while maintaining walking comfort

Composition: 37% TPU, 35% microfiber, 11% polyester, 8% polyurethane, 8% TPR and 1% elastic. Inner lining: 82% polyester and 18% synthetic.