Altra Paradigm 4.5 Road-Running Shoes - Women's

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Experience endless comfort and super-cushioned miles in the women's Altra Paradigm 4.5 road-running shoes. Their guidance-style stability keeps you steady and aligned step after step.

  • Features

    • Altra EGO™ midsoles provide high responsiveness at a low weight
    • Medial flaring offers support for weak or tired feet; flaring works well for both neutral runners and those looking to upgrade from more structured stability options
    • Guidance system includes integrated StabiliPods™ for a stable platform plus a GuideRail™ system for support when you need it most
    • Zero Drop™ platforms (0mm heel-to-toe drop) place heel and forefoot the same distance from the ground for natural alignment and low-impact landing
    • FootShape™ toe boxes allow toes to splay for natural foot positioning and comfort
    • 30mm stack height provides ample cushion for long runs
    • 5mm sculpted footbeds add comfort
    • Granted the APMA Seal of Acceptance, which the American Podiatric Medical Association awards to footwear they find promotes good foot health


    View all Altra Women's Road-Running Shoes
  • Technical Specs

    Best Use


    Running Shoe Support


    Running Shoe Cushioning

    Maximum Cushion

    Heel-To-Toe Drop (mm)


    Footwear Height


    Footwear Closure



    Engineered textile knit




    Altra EGO foam


    StabiliPods and Guide Rails


    FootPod rubber

    Weight (Pair)

    1 lb. 2 oz.



  • Size Chart

    5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12
    U.S. Women's 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11..5 12
    UK 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10
    EU 36 37 37.5 38 38.5 39 40 40.5 41 42 42.5 43 44 44.5
    Foot Length (in.) 8.7 8.9 9.1 9.3 9.4 9.6 9.8 10 10.2 10.4 10.6 10.8 11 11.2

    Sizing Notes

    Altra’s unique FootShape™ toe box and Balanced Cushioning™ platform create a natural fit that follows the shape of your foot, instead of squeezing your toes and raising your heel. Your toes have room to spread out and your foot remains in a flat, natural position. When fitting, be sure to allow a full thumb’s width in front of your toes. If your feet are used to cramped toe boxes, Altra shoes may feel a little big at first. Give your toes some time to get used to the newfound wiggle room.

    IS THIS SHOE TRUE TO SIZE? The product Features above will provide a suggestion if Altra advises you to size up or down in this particular shoe. If no such note exists, please order your regular size.

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