Alpinestars SMX-6 V3 Boots — US 5, Mid-calf, Black

Built for track and high-performance riding, the SMX-6 V3 delivers race-derived protection, precision fit and advanced impact zones to give riders a clear performance advantage on road and circuit.

• Advanced lightweight upper construction for abrasion resistance and excellent flexibility.
• Front flex and rear flexion zones use textile over-injection with soft TPU to enhance impact abrasion protection while promoting natural forward and backward movement.
• Unique ankle brace protection system provides biomechanical support between the lateral top calf, shin and ankle to limit hyper-torsion, hyper-extension and hyper-flexion while protecting the Achilles and ankle.
• Secure Lace-Lock System crafted from advanced polymer resin for a quick, precise and dependable closure.
• Reinforced shifter zone and race-derived shin plate deliver superior medial and shin protection against impact and abrasion.
• Dual-density ankle protectors positioned between the upper and lining for targeted energy management.
• Replaceable dual-density toe slider with screw-in assembly, plus replaceable heel and external side heel sliders for controlled sliding and shock dissipation in the event of a crash.

Designed for aggressive riding and everyday use, the SMX-6 V3 balances protection, comfort and durability for riders seeking track-ready performance.