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Alpinestars S-MX 2 Vented Boots
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  • White

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$209.95
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Video Review

Alpinestars S-MX 2 Vented Boots Videos

  • S-MX 2 Boot from Alpinestars
  • Low cut street riding boot, giving ultimate flexibility and uninhibited ankle movement, while retaining comprehensive foot protection and riding performance technology
  • Designed to be used in conjunction with Alpinestars exclusive street knee/shin protector
  • Inner side zipper, with Velcro© over flap closure, make entry and exit highly convenient
  • Heel protection detail and toe shifter pads
  • Replaceable TPU toe-sliders
  • Molded rubber sole with internal shank for rigidity and protection

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Alpinestars S-MX 2 Vented Boots 4.5 5 15 15
Excellent boot for the street riding Excellent product from Astars. Very comfortable easy on and off. I would recommend this for street riding if your on your jeans because your leather racing pants would look short on this one. It's a little wide with fitting but overall it's a nice style and price is good. June 3, 2013
For a vented boot... I bought these after having commuted in full race boots for a while since they weren't ideal for either the 35 degree winter or 110 degree summer. Although these are good for the purpose that they intend to serve, which would be short city rides, but the boots leave a lot to be desired. It's a good looking boot, and extremely comfortable. I've had problems finding well fitting shoes and boots my entire life but was pleasantly surprised to find out how wide it is at both the toes and instep. They feel pretty durable; rigid enough to feel like it offers protection while still being comfortable enough to walk around in which you will probably be doing if you're interested in short boots. They're thick and even work to dampen some vibrations from your foot pegs. The back of the boot is cutout to allow your achilles tendon to flex when pointing your toes down to shift, although pointing them up is still tough. The soles grip very well to any surface. They fit almost an entire US size and 2-3 Euro sizes too large. Although it has a ratchet buckle for adjustability, it really only works to loosen the lip of the boot since tightening it causes it to fold inwards and put uncomfortable pressure on your feet. The buckle itself is also extremely hard to open. Getting in and out of the boot is easy enough. Although it feels like it would offer great crush protection, your ankles feel extremely exposed. I wouldn't want to trip over and twist my ankle in these, much less experience a crash in them. The vents on the outer side of the boot don't seem to do anything. There's no intake to offer air flow, so the only purpose they serve is as an exhaust, though it's a stretch to label them as such. Even at speed I could feel warm moist air pooling around my feet. The only air flow you get is what comes in from the top of the boot onto your shin and ankles. If you want a vented boot but don't like the white color scheme, you could buy the non-vented SMX2 and not miss out on any features. Unfortunately these boots just aren't for me, but they could work for individuals not conscious about protection that don't want to wear sneakers on their ride. March 14, 2013
As far as fit goes. I haven't been able to start my riding career so these are the first pair of riding shoes I have ever had. I wear a size 11 in Sketchers and a size 10 in Etnies and I ordered a size 44 (9.5 US indicated on the shoe itself) in the SM-X 2. My feet fit great as far as the width goes. There is a little bit of room, laterally, in the boot for my feet so it leaves just enough room for maybe a gel pad. Shoe looks amazing. I can't comment on function as I haven't ridden in them yet though. February 14, 2013
GREAT RIDING BOOTS! These boots are great, a little big but great. I ordered a 45 first whic says it's a 10.5 US, but it was too big so I returned it for a 44 (9.5) and they fit great. I was wearing Sidi ST Air race boots which are great as well but it was scractching my carbon fiber parts real bad so I got these to stop that. Overall I am pleased with my purchase but I would advise you to order a size down from what you normally wear. February 7, 2013
Solid Riding Boot For the casual rider this boot is great, looks and fits great without getting in the way of the wearers natural range of motion. December 31, 2012
No problems so far Everything works as expected. There has been a little scuffing on the front toe from shifting but was cleared away easily. October 8, 2012
Fffn awesome Boot look amazing, feel great, super fast to put on/ take off, well vented, and are a must have for any rider. The price is higher but it is 100% worth it. Revzilla also got my package to me promptly in 5 days from NJ to AB, Canada. All round 10/10 for me! May 28, 2012
Great Boot for Average Rider As stated in other reviews, this boot is great when used for what it was intended. It wont offer as much protection as a full shinned boot, but for riding to work and back, or out in the afternoon, it is the perfect boot. Having size 16 feet, I was very hesitant to order online but these boots definitely fit larger than advertised. I ordered the size 50 and they couldn't have fit any better. The design with the side zipper and buckle also allows for easy on and off. I have found the vents on the boots don't really let in that much air. Not enough to notice as my feet have still been sweating in them but that was to be expected. I would highly recommend these boots to anyone who is looking for a sharp looking, comfortable substitute to sneakers or skate shoes while riding. March 23, 2012
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Alpinestars S-MX 2 Vented Boots
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Sizing video for alpinestars (198)

Alpinestars Men's Race Boots Sizing

AlpinestarsBoot

EU Size

USA Size JPN Size
36 3.5 22.5
37 4 23
38 5 24
39 6 25
40 6.5 25.5
41 7.5 26
42 8 26.5
43 9 27.5
44 9.5 28.5
45 10.5 29.5
46 11.5 30
47 12 30.5
48 12.5 31.5
49 13.5 32
50 14 33

BOOT SIZING NOTES: The above sizing chart is provided by Alpinestars, in RevZilla's experience we have found the EUR->US sizing conversions as presented here to be slightly off. Below is RevZilla's recommendation for Men's Boots. 

EU Size

USA Size
42 8
43 9-9.5
44 10-10.5
45 11

As always, this size chart is only a guide and provides no guarantees of a perfect fit.

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

Click here to see the full Alpinestars Size Chart
Product Style RevZilla Item # Manufacturer Product # Availability
White / 38 304391 222408-20-38/34010075 Available: Expect 1-2 business days processing time prior to shipment
White / 39 304392 222408-20-39/34010076 Available: Expect 3-4 business days processing time prior to shipment
White / 40 304393 222408-20-40/34010077 Available: Expect 2 business days processing time prior to shipment
White / 41 304394 222408-20-41/34010078 Available: Expect 1-2 business days processing time prior to shipment
White / 42 304395 222408-20-42/34010079 In Stock: Ships within 24 hours
White / 43 304396 222408-20-43/34010080 Available: Expect 1-2 business days processing time prior to shipment
White / 44 304397 222408-20-44/34010081 In Stock: Ships within 24 hours
White / 45 304398 222408-20-45/34010082 Available: Expect 1-2 business days processing time prior to shipment
White / 46 304399 222408-20-46/34010083 In Stock: Ships within 24 hours
White / 47 304400 222408-20-47/34010084 Available: Expect 1-2 business days processing time prior to shipment
White / 48 304401 222408-20-48/34010085 Available: Expect 1-3 business days processing time prior to shipment
White / 49 304390 222408-20-49/34010086 Available: Expect 3-4 business days processing time prior to shipment
White / 50 304402 222408-20-50/34010087 In Stock: Ships within 24 hours