Alpinestars SMX-6 V3 Boot

FEATURES

• Advanced microfiber upper construction for lightweight high-performance protection against abrasion and superb levels of flexibility
  
• New front flex and back flexion zones are constructed with textile over-injected with a soft TPU for enhanced impact abrasion while also promoting a natural forwards and backwards movement
  
• Alpinestars unique ankle brace protection system provides a bio-mechanical support and protection between the lateral top calf and the shin and ankle, for superior ankle articulation while also limiting hyper-torsion, hyper-extension and hyper-flexion, as well as providing Achilles and ankle impact protection
  
• Alpinestars Lace-Lock System is constructed from an advanced polymer resin for a guaranteed quick, precise and secure closure
  
• Equipped with a new TPU shifter zone for superior protection on the lower medial side
  
• New strategically positioned, race-derived TPU shin plate protector delivers superior impact and abrasion-resistance
  
• Dual-density TPU ankle protectors are strategically positioned between the upper and padded lining to provide the strategic protection in key areas
  
• A replaceable, dual-density TPU toe slider with screw-in assembly provides comprehensive protective coverage around the outer toe area while still being supremely flexible for walking comfort
  
• Replaceable heel slider and external side heel slider are strategically positioned for optimum shock dissipation and absorption, while promoting sliding in the event of an accident
• The following standards apply to this product: EN13634:2017