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Alpinestars S-MX 2 Boots
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$209.95
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Video Reviews (2)

Alpinestars S-MX 2 Boots Videos

Alpinestars SMX 2 Boots

  • Low cut street riding boot, giving ultimate flexibility and uninhibited ankle movement, while retaining comprehensive foot protection and riding performance technology
  • 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 Boots 4.4 5 38 38
Big feet?? This ones for you! I wanted a boot I could wear while riding aggressively on the track, but one I could also slip into the office without my coworkers thinking I live in the matrix. Comfortable and stylish the steel rod base and the incredible ankle support with rachet adjustment makes you feel safe and warm and cuddly... in your boots that is, because elsewhere you are an epic figure of dark awesomeness. But really with these boots on, walking is as easy as shifting. The shift pad helps a lot, I can't count how many shifts I missed last season but these measure perfectly. My biggest concern was sizing. I'm a size 15 in most shoes and really wanted a sleek look SIDI esque boot with slightly less flash and a comfortable for for a wider foot fit for a guy like myself. To my pleasant surprise the 50 needed no breaking at all. I'd have to say as a true 14Wide or 15Medium in shoe size these are spot on. Looks and cost are about on par for a boot with great breathability, durability, ridability, and safety features. My ONLY complaint is that the ratcheting system is scary secure sometimes almost feeling like I have to apply excessive force to open it. Though, not necessarily a bad thing. Hope I was helpful! April 5, 2014
Perfect commuter boot Bought these boots for added protection when commuting to work or for short rides. They are exactly what I wanted. I wanted a small but protective boot that fit more like a shoe than a big boot. They are still new so a little stiff still. They get warm when your off the bike but when your cruising they do breathe pretty well. I wear a size ten typically but bought the size 9 and they fit perfectly. If your looking for a great looking comfortable boot that has the protection. This is it! April 4, 2014
True to the write ups First of all I was very impressed with the knowledge of the sales staff there. I was looking for an everyday riding boot that was as good on the bike as it was walking around and they suggested these. I was impressed with them right out of the box. I usually wear a size 12 shoe and have a wide foot so when I tried on a 12 to my surprise it was actually to big and ended up with a 11 1/2 which is a euro 46. I wore them for a couple hours around the house expecting them to pinch the top of the foot or get uncomfortable and the never did. The construction of them so far seems to be really well done and I choose the SMX2 because of the latch system versus the velcro strap on the SMX1. In short I could not be happier with this product and would recommend it for an everyday rider boot or for those spirited weekend runs. March 13, 2014
Awesome riding shoe/low boot These boots are awesome! The size runs larger so when ordering go with a size smaller than what you regularly wear. They are pretty comfortable with no noticeable pressure points. Great quality. I'm glad I got these instead of something else. Lots of protection and rigidity. I definately te commend this to anyone who is looking for a safe protective riding shoe/boot. It doesn't make shifting or braking any harder than wearing a regular shoe. March 10, 2014
Pictures don't do it justice. I didn't purchase these but they definitely stood out among the rest on the shelf at Cyclegear. I tried them on to get a feel for Italian foot sizing for my upcoming online purchase of the Sidi Apex here on RZ. The SMX2 are very comfortable and since I have a very wide foot that is saying a lot. I did go up a size as always for my footwear and they fit just right. Not too tight and not too loose. The SMX1 are narrow compared to the 2's. Again, pics do not do these boots visual justice. Probably will buy a pair to back up my Sidi Apex after a while. January 19, 2014
Very comfortable, water resistant awesomeness Wouldn't walk around all day in these guys if I can avoid it, but it's doable, and that's saying a lot. Took them out in a couple good rains, and my feet stayed surprisingly dry. A tad pricey, but they are good boots. November 22, 2013
Could pass as Jordan's...... If you ride any kind of super sport, these outta be a prerequisite. I used to ride in plain nikes,Jordan's or converse, but now it's just these. Every time. Every bit as comfortable as any of the above mentioned kicks and just as stylish but way more protective. If you ever go down you want these on your feet..... November 6, 2013
Alpinestars boots are very comfortable! I own a pair of Alpinestars smx plus along with the s-mx 2 that I just purchase. I have to say that they both are very comfortable when riding and wearing all day. The fit is perfect. I wear a size 10 1/2 - 11 shoe size and I went with size 45 for both boots. The smx plus fits perfectly. The s-mx 2 is just a tad bit loose in the ankles but fits perfect on the inside. October 18, 2013
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Have a functionality, fit, or otherwise product-specific question about the Alpinestars S-MX 2 Boots? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.

Alpinestars S-MX 2 Boots
Already Asked: 9 Questions, 30 Answers
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RevZilla Store asked: Why did you choose this?
Michael H: Needed riding boots. Apr 9, 2014
Sandro R: Wife's input as for a good style with jeans. Apr 3, 2014
Nnamdi N: Through word of mouth. I was told it's easy on the feet and i think it looks good. Mar 27, 2014
Timothy W: I like Alpinestars and my Icons were getting worn out. Mar 19, 2014
Robert S: great boots. still has great ankle support looks and feels comfortable! Mar 4, 2014
David M: I liked the fit of the S-MX1, So I went for the S-MX2 it is a little wider ! Feb 4, 2014
Jason B: Quilty comfort finish price Jan 17, 2014
abraham g: I needed something more then just sneakers and these stood out from the rest. Dec 16, 2013
John A: need an everyday boot and the reviews on this boot were good... Oct 3, 2013
T H: kicking boots.. very comfortable, stylish Aug 12, 2013
A shopper asked: Measured on a Brannock Devise (foot measure) I am a true US 9D. However, I find that I often need an 8.5 in shoes without laces to prevent heal slipping. I currently wear a pair of AlpineStar One O One riding shoes. They are lace ups and the US size 9 fit perfectly. But since these shoes don't have laces and since the European to US chart doesn't shot a conversion for 8.5, I'm not sure what size to order. Should I go with the 42 which Revzilla says is like a US 8 or go with the 43 which Revzilla says is like a 9 to 9.5?

Any help or suggestions will be appreciated.
Oct 14, 2013
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A s: Greetings,

I checked all of my daily wear shoes and I wear a US size 9. Each pair of shoes fit comfortably throughout the day. Having said this, I own two pairs of Alpinestars footwear.

1) Alpinestars miglia shoes - The tag says US 9 / EU 42. These shoes fit perfectly, as if they were custom made for me.

2) Alpinestars S-MX 2 Boots - The tag says US 6.5 / EU 40 These shoes also fit perfectly, as if they were custom made for me.

So, my conclusion is that the Alpinestars sizing chart for the shoes differs from the boots. I would go for a size EU 40 / 41 in the S-MX 2 Boots...

Hope this helps.
Oct 17, 2013
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James M: I'm a US 9.5 D to 10 D depending on the shoe style, consistently a 42 Euro. If I remember correctly, Revzilla recommends going up one size which I did. A 43 fits me perfectly with no slippage. The buckle strap adjusts to pull your foot back in the shoe...no need for laces. Once the buckle strap is adjusted, the shoe goes on and comes off by only unzipping the side zipper.

Probably a 42 would fit you just fine.

Hope this helps.
Oct 15, 2013
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Saed Z: These boots run small !!! I wear a size 10.5 shoe (US) and ordered the size 44 which according to the conversion chart would be a 9.5 (US) and the boots fit me perfectly. I'm glad I didn't follow the conversation chart or I would have ended up with boots that were too large.

Zak
Oct 15, 2013
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Jeffrey H: I think you'll find the 43 to be the best fit. I've had problems with heel slippage in other shoes, but no problem with these. I wear 9 in dress shoes and 9.5 in tennis shoes. I have a narrow foot. Hope this helps. I've really enjoyed these boots Oct 16, 2013
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Saed Z: Sorry in my previous reply I meant to say the boots run large not small. I would order 1 size down from what the Alpinestar chart recommends. Oct 15, 2013
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Datwan H asked: SMX 1 or the SMX 2?? Looking for something that's comfortable on and off the bike but also has a good amount of protection. I live In Florida and the SMX 1 seems like it would have better air flow but SMX 2 appears a bit beefier thus being more productive. Thanks in advance. Mar 20, 2014
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Saed Z: The SMX 2 is a much higher quality boot. The entire boot is leather and has an ankle buckle like a ski boot instead of the cheaper quality leather/mesh combo and cheap velcro strap found on the SMX 1. It will also offer much better protection if you get caught in the rain. Sizing runs big so keep that in mind when you order. I am a true size 10.5 (U.S) and I ordered the size 44 and they fit perfectly even though Alpinestar chart indicates that it would be equivalent to a 9.5 (U.S) so make sure to order a full U.S. size down from what you would normally wear. Mar 21, 2014
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Lawrence H: I went through the same thing. I bought the S-MX 1 for the same reason -- I live in Florida too. You do feel the airflow on the top of your foot where it's the "mesh" material on the S-MX-1. I did try the S-MX 2 on and they are beefier (I do like the moto-X type buckle) but the airflow on the S-MX 1 was the winner for me. Walked around during Daytona Bike Week with them, no problems, at least for me. Bottom line, you can't go wrong with either boot. Mar 20, 2014
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Marcelo F: I never tried the SMX-1 But I am very please with the SMX -2. I use them the whole year summer or winter. They are very comfortable and provide a good feeling (very close to the feeling of a competition boot). Of course you would prefer a boot with better air flow for the summer but this one can stand hot weather acceptably. Mar 21, 2014
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A shopper asked: Is this boot fine for wide feet? Nov 2, 2011
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AliB: Alpinestars boots tend to run slightly narrow and especially in their sport-boot line up. If you have very wide feet, you might want to look at a TCX boot, which tend to run wider than Alpinestars. As WallE replied below, if your foot width is no wider than a 4E, these should work for you. Nov 11, 2011
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KenS: Absolutely. Compared to other A-Star boots I would say this one has a wide width which forced me to go down one size. If you have wide feet you should be good to go. Jun 5, 2012
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WallE: yes this boot works well for people with wide feet. I usually wear an 11 2E up to a 4E in shoes and I have had no problems with this boot being tight. Nov 8, 2011
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Alejandro R asked: To those of you who are a size 13 shoe, what size did you order these boots in, 47 or 48? Apr 14, 2014
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James M: Don't know whether or not this will help, but Revzilla recommended 1 Euro size up from my norm...43 when my norm is 42. The shoe fits perfectly and very comfortable. I would buy again.
Based upon my experience with the smaller sizes above and where a 13 US size falls on Alpinestars' chart, I think you need to order a 49 (since a 13 falls between a 48 and 49 on the chart).
Hope this helps.
Apr 15, 2014
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Dan C: Dude. Order both and return one. It's Revzilla, bro. Apr 15, 2014
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A shopper asked: I wear a 7.5 to 8 in woman's sizes. What would the equivalent men's size be for me? May 1, 2011
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Chris K: A 7.5-8 in womens would be a 6-6.5 in mens, so that converts to a 38-38.5 in European. Typically mens shoes fit wider than womens, so even though the 38 is on the small side, it should compensate for a thinner foot. May 2, 2011
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Jake2117: Normally the size difference is about 1.5 sizes. So you're 7.5= a 6 in mens. Unfortunately I doubt that you would fit them! May 4, 2011
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A shopper asked: I see the white version is vented but the others version are waterproof? Jan 23, 2013
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RevZilla: The Alpinestars S-MX 2 Boots will hold up against a light drizzle, but they are not waterproof. Jan 23, 2013
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A shopper asked: "Designed to be used in conjunction with Alpinestars exclusive street knee/shin protector" - which knee/shin protector is that? The Vapor Knee Guard? Feb 14, 2013
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A shopper asked: Is the Buckle on the SMX-2 Boot metal on metal or metal on plastic? Jun 9, 2011
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Matt01SS: The buckle is metal on plastic. There is a metal cylinder within a plastic latch that locks onto another tough plastic piece to hold it in place. Oct 10, 2011
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KenS: The buckle is all plastic but very robust. There is no major stress on it so I don't suspect that it will fail over time. Jun 5, 2012
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PDXgearhoarder: You're not gonna believe this. Plastic on plastic.

Not kidding. I had to double check myself. Wow.
Oct 13, 2012
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tomZilla: The entire buckle is made out of Plastic on the SMX-2 Boot. Jun 9, 2011
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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 SKU ID Manufacturer Product # Availability
Black / 38 304437 2224081038 Available: Expect 1-2 business days processing time prior to shipment
Black / 39 304438 2224081039 In Stock: Ships within 24 hours
Black / 40 304439 2224081040 Available: Expect 1-2 business days processing time prior to shipment
Black / 41 304440 2224081041 In Stock: Ships within 24 hours
Black / 42 304441 2224081042 In Stock: Ships within 24 hours
Black / 43 304442 2224081043 In Stock: Ships within 24 hours
Black / 44 304443 2224081044 In Stock: Ships within 24 hours
Black / 45 304444 2224081045 In Stock: Ships within 24 hours
Black / 46 304445 2224081046 In Stock: Ships within 24 hours
Black / 47 304446 2224081047 In Stock: Ships within 24 hours
Black / 48 304447 2224081048 Available: Expect 1-2 business days processing time prior to shipment
Black / 49 304432 2224081049 Available: Expect 1-2 business days processing time prior to shipment
Black / 50 304448 2224081050 Available: Expect 2-4 business days processing time prior to shipment
Red / 38 304449 2224083038 Available: Expect 1-2 business days processing time prior to shipment
Red / 39 304450 2224083039 Available: Expect 1-2 business days processing time prior to shipment
Red / 40 304451 2224083040 Available: Expect 3-4 business days processing time prior to shipment
Red / 41 304452 2224083041 Available: Expect 1-2 business days processing time prior to shipment
Red / 42 304453 2224083042 In Stock: Ships within 24 hours
Red / 43 304454 2224083043 In Stock: Ships within 24 hours
Red / 44 304455 2224083044 In Stock: Ships within 24 hours
Red / 45 304456 2224083045 In Stock: Ships within 24 hours
Red / 46 304457 2224083046 In Stock: Ships within 24 hours
Red / 47 304458 2224083047 Out of Stock
Red / 48 304459 2224083048 Available: Expect 1-2 business days processing time prior to shipment
Red / 49 304433 2224083049 Available: Expect 1-2 business days processing time prior to shipment
Red / 50 304460 2224083050 Available: Expect 2-4 business days processing time prior to shipment