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Alpinestars 2008 Model
S-MX 4 Boots
$199.95 
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MSRP $239.95
Customer Rating:  

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Product Description
  • The creative new Alpinestars S-MX 4 Boot 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 micro fiber 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 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 foot bed is vented to keep the rider’s foot cool and comfortable
  • Interchangeable bi-injected PU toe 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 structured shank reinforcement for added support to the arch area
  • European sizing scale


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Product limited to stock on hand
Customer Reviews
Average Rating -  Based on 38 Review(s)
Fit   4.7
Features   4.8

Finish   4.7
Cost Benefit   4.7

Durability   4.6
Overall   4.7
Latest Reviews
Fit   4.0
Finish   4.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   4.6
Sgt Mjr Mike oak view,  CA Great Boot! These boots are really comfortable! They break in quick and they're kinda like wearing a super high-top shoe. NO discomfort associated with trying to navigate around off the bike!! They seem to be solid and wearable ALL day long. There is a lot of "hook and loop" (Velcro) running up the inside of the leg from the ankle to the top, so whether that wears out or not is yet to be seen. However, the "Velcro" is really strong and I'm not worried. I went by the sizing chart and they are just a little big, but double socks make them perfect! Great Cost/Protection benefit!!! Great boot!!!
Fit   5.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   5.0
James Southern ,  IA Great Boot This is an update on a previous review after using them for a season. These were used in everything from 35 degrees in snow to sunny hot desert riding without issue. Off the bike they withstood walks in Moab on slick-rock and were very comfy, actually gripping irregular surfaces. The stitching and finish have held up well, and are for the most part waterproof. They move air well, and the fit after break-in feels like a comfy pair of sneakers. While still somewhat tight over the ankles, the boot is highly flexible. The soles have good wear characteristics, and are by far the best pair of riding boots I have ever worn. I will not hesitate on buying another pair when these wear out.
Fit   4.0
Finish   4.0
Durability   4.0
Features   4.0
Cost Benefit   4.0
Overall   4.0
David Reusch Jr. Florence,  KY Track days, no. Casual backroads rider, yes. These boots are super comfortable while riding. Keeps your feet surprisingly cool while riding but my feet get hot real quick when walking around in them. Other than the heat, they're comfortable while walking though. But they're riding boots! The top of my feet have a little more play than I'd prefer. I want to say that the boots are a size too large for me but trying to zip up the zipper around the ankles is a very tight fit and it's not like I have abnormally large ankles. I'd expect a much tighter fit for track or hardcore back roads riding but they fit my needs of being the casual daily /aggressive weekend rider. No odd bumps or screws poking anywhere though.
Fit   5.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   5.0
Paul oceanside,  CA Alpinestars - S-MX 4 Boots Perfect for street and track. I can walk around all day in these and not feel a thing.
Fit   5.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   5.0
Roger Erspamer East Grand Rapids,  MI Boots Very good boot for the money
Fit   5.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   4.0
Overall   4.8
chad eusea loveland,  CO love these boots These boots should be ordered one size smaller, other than that they fit very well. They are as comfortable as a regular pair of boots; I have worn them all day and never had a problem or sore feet. All in all great boots.
Fit   5.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   5.0
Edmun C Fore White Sands,  NM They call me a Power Ranger I got these boots when I first got my Bike. I loved them then just as much as I love them now. They fit great. They are comfortable enough that after a long ride I often doze off on the couch with them still on my feet. I’ve worn them to the club and people thought I had Jordan’s on. I ware them so much, that people started calling me a Power Ranger. I don't care because these boots are awesome. I am looking at getting the black ones.
Fit   5.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   5.0
Ray Honolulu,  HI Great boots. Have just under 10,000 miles in wet and dry weather on my pair. Great fit and excellent construction. The toe sliders are cheap and easy to replace. Comfortable enough to wear all day on and off my "scooter." Would definitely buy again.
Fit   4.0
Finish   5.0
Durability   4.0
Features   5.0
Cost Benefit   5.0
Overall   4.6
Mark Pittsburgh,  PA Affordable Full Leather Boot Really good fit. I wear a 10 Merrell and Puma, 11 Adidas, 27.5 Dalbello, and 43 Specialized and found these fit well in a 43. Casual enough to wear off the motorcycle as far as comfort and appearance. Not terribly hot and I enjoy wearing off the little plastic toe guard!
Fit   5.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   5.0
Stephan Melgar brandon,  MS Great boot I have had these boots for awhile now and I have to say I love them a lot. I wear them on the street and on the track and I feel very protected in both conditions. I wanna get another set but my wife wants these too look worst. Buy these boots you wont regret it. BTW I had to get one size smaller, great return policy>
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