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Product information


Alpinestars S-MX 1.1 SE boots. A lightweight boot that is low cut for comfort and convenience, the S-MX 1.1 is constructed from a durable microfiber upper and is reinforced with strategically positioned TPU protectors. Alpinestars exclusive rubber compound sole offers comfort and excellent grip, both on and off the bike.



  • Upper constructed from light and durable microfiber.  
  • Front and rear microfiber accordion flex zones for comfort and range of maneuverability on and off the bike.  
  • 3D mesh inner liner offers enhanced comfort, breathability and feel.  


  • TPU shock absorber on the outer ankle, with foam backed, double density ankle protector on the medial side.  
  • Contoured insole injected high modulus polyamide with shank reinforcement.  
  • External TPU toe slider with snap-in assembly offer repeated abrasion resistance.  
  • Reinforced toe box layered under the microfiber to enhance support.  
  • Easy access side entry system with medial zipper and wide instep Velcro flap for a precise fit.  

Convenience and Comfort

  • Alpinestars exclusive rubber compound sole for the optimal combination of comfort and grip.  
  • Removable anatomically profiled EVA foam footbed.  
  • Entire sole of the S-MX 1.1 Boot is replaceable.  


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