Alpinestars S-MX 4

Special Features


  • The creative new S-MX 4 is a hybrid of high-perfromance 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 Velcro flap, in unision with an innovative offset rear adds up to a precise, comfortable fit.
  • Anatomical and removable PU foam foot bed is vented to keep the rider’s foot cool and comfortable.
  • Interchangeable bi-injected PU to slider with snap-in assembly.
  • New dual 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.

Colors Available: Black, Red, Blue
Produced Sizes: (US)6.5-14 (3.5-14 Black) / (EUR)40-50 (36-50 Black)
Price: +$-200


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