Alpinestars SMX-6 V3 Motorcycle Racing Boots - Black, Silver, Red - US 9 / EU 43 (Part Number 2223025-199-43)

The Alpinestars SMX-6 V3 boots are engineered for riders seeking high-performance protection with race-derived technology. Crafted with an advanced microfiber upper, these boots offer lightweight durability, excellent abrasion resistance, and flexibility for precise control on both track and street. The innovative construction ensures a secure fit while maintaining comfort during extended rides. Strategically placed flex zones with textile over-injected Thermoplastic Polyurethane (TPU) allow natural front and back movement, enhancing rider agility and reducing fatigue. The ankle brace system provides bio-mechanical support, safeguarding the lateral calf, shin, and ankle areas from hyper-torsion, hyper-extension, and hyper-flexion, while also offering impact protection for the Achilles and ankle joint.

Features:

• Advanced microfiber upper construction for lightweight protection and flexibility

• Front and back flex zones with textile over-injected TPU for impact resistance and natural movement

• Alpinestars ankle brace system delivers superior support and limits hyper-movement, protecting the ankle and Achilles

• Lace-Lock System made from durable polymer resin ensures quick, precise, and secure closure

• TPU shifter zone offers enhanced protection on the lower medial side

• Race-derived TPU shin plate provides superior impact and abrasion resistance

• Dual density TPU ankle protectors are strategically positioned for optimal protection

• Replaceable dual density TPU toe slider with screw-in assembly for comprehensive toe protection and flexibility

• Replaceable heel and side heel sliders enhance shock absorption and facilitate sliding in falls