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Tall sports bootMid rangeBest sports boot

Alpinestars

Alpinestars SMX-6 v3

8.6/ 10

The benchmark sports boot: track-level protection with just enough comfort for road riding too.

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Tall microfibre sports boot with a biomechanical TPU ankle brace and EN 13634:2017 certification. The choice for sports bike riders and track days.

Why it stands out

The SMX-6 is one of Alpinestars’ best-selling sports boots, and the third version keeps the recipe: light, tough microfibre, a biomechanical TPU ankle brace that lets your foot flex forwards and back but limits dangerous twisting, and a shin guard covering the whole shin.

Key figures

  • Certified to EN 13634:2017 as a tall boot.
  • Flex zones front and back combining textile and over-injected TPU.
  • Replaceable toe slider and a reinforced shifter zone.
  • Side zip closure with a wide hook-and-loop flap.

Our verdict

If you ride a sports bike or a naked and want proper ankle and shin protection, this is the boot we recommend. It is not for long walks or wet weather: for that, look at a waterproof touring boot or a riding shoe.

In short

The good and the not so good

Pros

  • Biomechanical ankle brace that limits ankle twisting
  • Tall shaft and shin guard protect the whole shin
  • Replaceable toe slider
  • Light, abrasion-resistant microfibre

Cons

  • Not waterproof (there is a separate Gore-Tex version)
  • Uncomfortable for long walks
  • Stiff until it breaks in
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Data sources

Common questions

Frequently asked questions

Is the Alpinestars SMX-6 v3 certified motorcycle footwear?

Yes: EN 13634:2017, caña alta. That means it has passed tests for impact abrasion, impact cut and transverse rigidity.

Is the Alpinestars SMX-6 v3 waterproof?

No, it has no waterproof membrane. It breathes better in the heat, but in the rain your feet will get wet.

Does the Alpinestars SMX-6 v3 protect the shin?

Yes: it is a tall boot that covers much of the shin. The downside is that long walks in it are uncomfortable.

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Where we compare it

Buying guideBest motorcycle boots (UK): EN 13634 explained and which to buyAdviceWomen's motorcycle boots and riding shoes: how to choose

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