Altra Impulse

  • 5 star rating
  • Item #: A1542-4
  • Clearance:  $120.00 $46.20
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Altra

Altra Impulse

With the all-new Impulse, lightweight and stability go hand in hand. It's Altra's lightest stability shoe to date and combines Innerflex and StabiliPod technologies to give you flexible stability where you need it. The friction free, lightweight upper and FootShape toe box keep your feet comfortable across long distance runs. The fully cushioned ZeroDrop platform encourages a more natural, low-impact foot strike and features a lightweight, responsive A-Bound / EVA blend. Go fast, stay stable and run better with the new Impulse.

Features

  • Ideal Uses: Road running, walking, light trail running, cross training and speed work
  • Designed to Improve: Running form, assist fallen arches, excessive pronation
  • Platform: Natural foot positioning: FootShape toe box with fully cushioned ZeroDrop platform
  • Last: SL2
  • Midsole: Ultralight EVA with A-Bound top layer, StabiliPod technology, Varus Stability wedge technology
  • Outsole: FootPod™ Outsole with StabiliPod technology
  • Insole: 5 mm contour footbed
  • Upper: Quick-Dry Air Mesh

A-Bound technology: Made of recycled materials, this unique layer sits directly under the foot to reduce the impact of hard surfaces and return energy return into each stride. It's literally a layer of bouncy ball between the road and your feet!

Innerflex: Grid-like grooves in the midsole allow your foot to flex where it needs to for more speed and better performance. Unnecessary midsole was removed to create the flex grooves, making the show incredibly light and fast.

Varus Stability: The full-length 4 mm varus, sloped down from the inside to the outside of the shoe, provides flexible stability to help prevent early and late stage foot collapse.

StabiliPod: This innovative midsole technology acts as a stabilizing tripod by enhancing the three natural stability zones in your foot to help prevent excessive foot collapse or pronation.

Altra Fit

To maximize the benefits of Altra Footwear, we encourage you to follow these fitting suggestions:

  • Please allow at least ½ inch between the longest toe and the end of the shoe
  • Zero Drop footwear should feel as relaxed and natural as possible
  • If fit is correct, it may feel "too loose" around toes and may take a day or two for feet to get used to spreading out
  • Fitting this way will allow feet to become more stable, more comfortable and more powerful

  • Type: Stability
  • Manufacturer's Category: Lightweight Stability
  • Pronation Control: Moderate
  • Weight: 9.1 oz.
  • Height: 23/23 mm (Heel/Toe)
  • Drop: 0 mm
  • Features: FootShape toe box / EVA midsole / A-bound top layer / StabiliPod / Varus Stability / Footpod Outsole / Innerflex
Styles Availability Price/Each

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Styles Availability Price/Each

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  • Description
    Altra

    Altra Impulse

    With the all-new Impulse, lightweight and stability go hand in hand. It's Altra's lightest stability shoe to date and combines Innerflex and StabiliPod technologies to give you flexible stability where you need it. The friction free, lightweight upper and FootShape toe box keep your feet comfortable across long distance runs. The fully cushioned ZeroDrop platform encourages a more natural, low-impact foot strike and features a lightweight, responsive A-Bound / EVA blend. Go fast, stay stable and run better with the new Impulse.

    Features

    • Ideal Uses: Road running, walking, light trail running, cross training and speed work
    • Designed to Improve: Running form, assist fallen arches, excessive pronation
    • Platform: Natural foot positioning: FootShape toe box with fully cushioned ZeroDrop platform
    • Last: SL2
    • Midsole: Ultralight EVA with A-Bound top layer, StabiliPod technology, Varus Stability wedge technology
    • Outsole: FootPod™ Outsole with StabiliPod technology
    • Insole: 5 mm contour footbed
    • Upper: Quick-Dry Air Mesh

    A-Bound technology: Made of recycled materials, this unique layer sits directly under the foot to reduce the impact of hard surfaces and return energy return into each stride. It's literally a layer of bouncy ball between the road and your feet!

    Innerflex: Grid-like grooves in the midsole allow your foot to flex where it needs to for more speed and better performance. Unnecessary midsole was removed to create the flex grooves, making the show incredibly light and fast.

    Varus Stability: The full-length 4 mm varus, sloped down from the inside to the outside of the shoe, provides flexible stability to help prevent early and late stage foot collapse.

    StabiliPod: This innovative midsole technology acts as a stabilizing tripod by enhancing the three natural stability zones in your foot to help prevent excessive foot collapse or pronation.

    Altra Fit

    To maximize the benefits of Altra Footwear, we encourage you to follow these fitting suggestions:

    • Please allow at least ½ inch between the longest toe and the end of the shoe
    • Zero Drop footwear should feel as relaxed and natural as possible
    • If fit is correct, it may feel "too loose" around toes and may take a day or two for feet to get used to spreading out
    • Fitting this way will allow feet to become more stable, more comfortable and more powerful

  • Specs
    • Type: Stability
    • Manufacturer's Category: Lightweight Stability
    • Pronation Control: Moderate
    • Weight: 9.1 oz.
    • Height: 23/23 mm (Heel/Toe)
    • Drop: 0 mm
    • Features: FootShape toe box / EVA midsole / A-bound top layer / StabiliPod / Varus Stability / Footpod Outsole / Innerflex

Customer Reviews

    • 5.0 star rating
    • Great fit
      Reviewer: GW

      3/12/2017

      It took about an hour for the shoe to form fit my foot, excellent fit across the toe box. Really like the low drop or flat foot feel with great cushioning and breathability.

    • 4.0 star rating
    • Bryan
      Reviewer: Bryan ogle

      1/12/2017

      Great shoe. Only 3-4 runs in it so far. Good amount of cushioning and first time in Altra. I do think if they used round laces instead of thin, flat laces the over top of foot feel would be better.

    • 5.0 star rating
    • I love this product
      Reviewer: Nal Lokeshwar

      1/1/2017

      This is my first pair of Altra and I ran half marathon with the shoes right off the box. I just did not feel the shoes on my feet at all. The toes were free and the fit was perfect. My feet are size 8 and I bought these shoes at size 9. I know a couple of fellow runners with bruised toes and feet who will love this. If they do not buy it, I will buy it for them as a gift.