A lightweight boot that is low cut for comfort and convenience, the Alpinestars 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.