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Alpinestars S-MX 1 Black Shadow Boots (Size 42 Only)
  • Alpinestars S-MX 1 Black Shadow Boots (Size 42 Only) - Gun Metal

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Alpinestars S-MX 1 Black Shadow Boots (Size 42 Only) Videos

Alpinestars SMX 1 Black Shadow Boots 

The Alpinestars S-MX 1 Boot blends the racing lines of the S-MX racing boot collection with low-cut comfort and convenience. The durable and ultra-light microfiber upper is reinforced with rugged TPU armor while the shank reinforced sole uses a special rubber formulation for enhanced grip and durability.


  • Upper constructed from lightweight and durable microfiber
  • Breathable mesh inserts and perforated side panel improve airflow
  • Plush 3D mesh inner liner offers enhanced comfort and feel
  • External TPU protection on the outer ankle
  • Foam backed, double density impact protection on the inner ankle
  • External TPU shift pad, slider and heel counter
  • Reinforced toebox layered under the microfiber upper
  • Integrated shank in the sole for extra rigidity
  • Combination zipper and VELCRO® brand closures strap closure system for easy entry and precise fit
  • Outsole constructed with the same advanced rubber compound as the S-MX 5 Boot
  • Anatomically profiled EVA foam footbed
  • Entire sole is replaceable

Alpinestars Men's Footwear Sizing

Sizing Notes!

In RevZilla's experience, we have found the EU-->USA sizing conversions as presented here to be slightly off. RevZilla's recommendation for Alpinestar's Men's Footwear: 43: 9-9.5 44: 10-10.5 45: 11

EU Size USA Size
36 3.5
37 4
38 5
39 6
40 6.5
41 7.5
42 8
43 9
44 9.5
45 10.5
46 11.5
47 12
48 12.5
49 13.5
50 14

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

How To Measure

FT Feet What size shoe do you wear?
Product Style RevZilla Item # Manufacturer Product # Availability
Gun Metal / 42 947038 2224012-18-42 In Stock: Ships within 24 hours


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Alpinestars S-MX 1 Black Shadow Boots (Size 42 Only) 4.7 5 329 329
Wouldn't trust these in a crash Following sizing chart and reviews, I ordered a full size down. Guess what? Still too big. While the mid-foot fits good enough, the toe box is far too wide. The ankle support is so loose that I can fit my hole hand down the side and there's no way to adjust it. These would certainly come off in a crash. If it weren't for the loose ankle I would order another half size down. June 23, 2016
Great boot I'll say first off that airflow on these is fantastic! My foot is actually at a quite comfortable temperature when riding with these. The base also gives good vibration resistance on the foot pegs. My bike is only a 350 but it's a '72 and doesn't ride nearly as smooth as newer bikes do; these boots made a difference. Grip seems good even after walking through wet grass although you will find that the toe slider catches bits of things and traps them in between it and the boot. Easy enough to clean but a slight inconvenience. I'd buy them again or try the new version when it it released. June 22, 2016
Awesome! Nice looks, comfy and affordable... i love them! Cant go wrong with Alpinestars June 21, 2016
Great riding shoe. Bought because it was the most reviewed and recommended. Happy I did. Very comfortable, can't even tell you're wearing a motorcycle shoe after a little while. Very breathable while riding. Highly recommend. Been wearing them about 2 weeks. Slight show of wear looks like they will hold up for a little while. June 21, 2016
Smx-1s Bought the boot yesterday and so far so good. The ankle area is slightly loose but has great airflow. I was riding in basketball shoes previously and I can tell a world's difference in protection. I like how the boot is sturdy and is firm enough to ride in and jump off the bike to go into the store. The quality looks great and this was a great purchase. June 15, 2016
Great for the money Very comfortable for everyday riding not uncomfortable when off the bike. They look awesome and feel sturdy they are loose fiting around ankle but do have lots of air flow June 15, 2016
Like a glove Very comfortable boots. Feet don't get sweaty. Very strong near the toes to make shifting a bit smoother. You won't want to take them off. June 14, 2016
Great Boots These boots definitely run large. I have one other pair of European shoes that are size 48, and I generally wear a size 11-12. For the S-MX 1 I went with a 45, which is a US size 10.5. I felt very lucky to get a perfect fit on my first try! The comfort is above average, but nothing legendary. I have worn these comfortably for a few hundred miles at a time with no issues. These boots held up fine in some light rain, just watch out for the big storms. I'm happy with the S-MX 1's and would gladly recommend them. June 8, 2016
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