The updated Alpinestars S-MX R Boot has become an even more accomplished performer. It has been re-profiled to give better fit and feel. Greater flexibility and comfort, combined with a lightweight and ergonomic shape and the use of hi-tech micro fiber, gives great riding feel and safety performance. The Alpinestars S-MX R Boot is the ultimate performance and road riding boot for all round use on the street and racetrack.
Updated design makes the S-MX R an even more accomplished road and track performer
Greater flexibility and comfort, combined with its lightweight and ergonomic shaping using hi-tech micro fiber, give superb riding control and safety performance
Contoured shin plate protection with high modulus TPU injection has been re-profiled to improve forward flex performance while providing highly effective impact and abrasion protection
Air scoops are upgraded and give effective ventilation
Ankle and calf protection is dual molded to improve material hardness and contoured to allow the Achilles flex bellows to wrap around the ankle
Additional calf support is given by a molded logo tab behind the gusset
Injection molded, support gasket has been added to control support and stiffness in the ankle area
Wide and ventilated injected TPU heel counter structure is combined with an internal shock absorbing padded insert and memory foam ankle guard
Inside lower heel grip, with a smooth inner profile, gives good feel and control
Asymmetrical “throat” design bellows area has been profiled to flow over the medial side forefoot to aid flex and promote natural movement
Shifter pad and forefoot protection has been enlarged and uniquely styled with over-injected TPU inserts
Side entry zipper and expansion panel allow easy entry and exit with wide opening aperture and improved general fit
Micro adjustable, replaceable, ratchet closure, with recessed locking buckle and hidden strap around the calf, provides additional accuracy and security, in addition to the hook-and-loop flap closure over the entry / exit zip
Synthetic inner lining in open cell foam for comfort and long lasting freshness
Highly breathable lining in the ankle and forefoot areas
Interchangeable, bi-injected, toe slider
Removable, replaceable contoured footbed, sculptured with Alpinestars exclusive PU foam, provides improved arch support and increased forefoot pedal feel
Exclusive rubber compound sole is highly durable and gives superb grip on the footpegs and a high level of pedal feel
Internal molded shank
A fully perforated version of the S-MX R provides higher levels of ventilation for hot climates (available in black only)
