• Fit Survey:

    69% True to size
    84% Felt true to width
    88% Moderate arch support

    Item Information

    • SKU: #8977670
    • View the size chart
    • Hit the ground running in the Altra™ Footwear Duo Racing Shoes.
    • Ideal for running, road racing, speed work.
    • Support Type: Natural.
    • Cushioning: High-energizing cushioning.
    • Surface: Road.
    • Differential: 0 mm.
    • Altra™ recommends those new to natural running and zero-drop footwear should transition slowly by wearing these on shorter runs and gradually building up to regular mileage.
    • Altra Zero Drop™ Platform:
      • Heel and forefoot are equal distance from the ground.
      • Promotes proper form to reduce initial impact.
      • Natural Achilles loading for enhanced propulsion.
      • 1:1 ratio naturally aligns feet, back, and body posture.
      • Weight-balanced from front to back.
    • Super-thin mesh upper for enhanced breathability.
    • Lace-up closure.
    • Padded nubuck-pillow tongue.
    • Breathable DriLex lining.
    • Removable 6mm Contour Footbed.
    • Lightweight injection molded foam midsole.
    • FootShape™ Toe Box allows toes to splay naturally.
    • Blown-rubber outsole.
    • Last: HFS.
    • Imported.
    • Product measurements were taken using size 9, width B - Medium. Please note that measurements may vary by size.
    • Weight of footwear is based on a single item, not a pair.
    • Measurements:
      • Weight: 8 oz
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    Altra Footwear Duo

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