This product has been discontinued

Alpinestars S-MX 4 Boots


  • Manufacturer: Alpinestars


Alpinestars S-MX 4 Boots

  • The creative new S-MX 4 is a hybrid of high-performance racing technology coupled with every-day street riding functionality and practicality. Highly durable with a natural range of motion, the S-MX 4 also features a wide fitting foot shape for maximum comfort.
  • Durable microfiber construction and injected PU shields the shin, ankle, calf, toe and heel from impact while minimizing abrasion.
  • Innovative air vents at the shin, calf, heel and forefoot are covered with a specially designed mesh (with a waterproof membrane) to provide unmatched levels of rider comfort.
  • Large instep and Achilles flex zones for superior comfort.
  • Quick drying polyamide lining is laminated with open cell foam and high density contoured padding to absorb shocks to the foot area.
  • An extra wide Velcroz® flap, in unison with an innovative offset rear opening/closure system that features an elastic mounted zipper, adds up to a precise, comfortable fit.
  • Anatomical and removable PU foam footbed is vented to keep the rider's foot cool and comfortable.
  • Interchangeable bi-injected PU toe slider with snap-in assembly.
  • Rubber compound race sole provides a precise feel and improved grip both on and off the bike.
  • Exclusive sole features a structured shank reinforcement for added support to the arch area.