| The new Alpinestars SMX 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 SMX 4 also features a wide fitting foot shape for maximum comfort. - Durable microfibre 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 specialy 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 unison with an innovative offset rear opening/closure system that features an elastic mounted zipper, adds to precise, comfortable fit.
- Anatomical and removable PU foam foot bed is vented to keep the riders foot cool and comfortable.
- 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.
CE Certified | Available Options: | | Size: | | |