Welcome to Altra Running Footwear

Paradigm 4.5

As low as £130.00

Inspired by extreme foot fatigue at the end of the Badwater 135, the Paradigm 4.5 has a gamut of features that cater to long days and miles on your feet.

With an Altra EGO™ midsole, supple knit upper and the dynamic support combo of integrated StabiliPods™ and medial GuideRail™, the full spec Paradigm is the holy grail of comfort. ... Read More

In stock
    • Weight: 9.2 oz / 261 g
    • Insole: 5 mm Sculpted Footbed
    • Midsole: Altra EGO™ - Altra EGO™ for an unmatched responsive yet soft ride
    • Outsole: FootPod™ Technology
    • Stack Height: 30 mm
    • Upper: Engineered Knit
    • GuideRail™ for extra medial support
    • StabiliPod™ enhances stability on the 3 most stable points of the foot
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Sizing Guide: Women's

Please see this guide to get the correct sizing for your footwear. You may visit an Altra Zero Drop Footwear dealer near you to try on a pair to find the correct size.

USA   5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11
UK   3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9
EUR   36 37 37.5 38 38.5 39 40 40.5 41 42 42.5 43
More info

    Lace up any of the new Altra EGO shoes and evolve into a more explosive runner, one with quicker turnover and a new attitude towards crushing limits. Get more durability and more responsiveness with the latest in performance shoe technology and let your shoe do more of the work with increased energy returning rebound for a fresher and faster you.


    An outsole designed for your foot makes sense doesn’t it? Our road shoes feature FootPod technology that maps the bones and tendons of your foot to provide a natural, easy flex. This sets us apart from the predetermined flex of other shoes that force your foot to move the way the shoe does.


    The GuideRail is a non evasive support feature in the medial heel. Just like a highway guide rail, it only provides support when you need it. The GuideRail can help give you the extra guidance you need to stay on the road longer. Featured on guidance shoes.