Alpinestars SMX-6 V3 Boots — EU 42, Mid-Calf, Black

Packed with a host of innovative safety and protective features, these performance boots incorporate race-derived technology and materials to give riders a crucial edge on track and street.

Performance details

• Advanced microfiber upper for lightweight, high-performance abrasion protection and superb flexibility.
• Front flex and back flexion zones use textile over-injected with a soft thermoplastic polyurethane (TPU) to enhance impact abrasion resistance while promoting natural forward and backward movement.
• A unique ankle brace protection system delivers bio-mechanical support between the lateral top calf, shin and ankle to limit hyper-torsion, hyper-extension and hyper-flexion while providing Achilles and ankle impact protection.
• Lace-Lock closure constructed from advanced polymer resin for a quick, precise and secure fit.
• TPU shifter zone, race-derived TPU shin plate and dual-density TPU ankle protectors provide targeted impact and abrasion resistance.
• Replaceable dual-density TPU toe slider with screw-in assembly, plus replaceable heel and external side heel sliders for optimized shock dissipation and sliding performance.

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