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Altra Mens Superior 4.5

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What do you get when you improve on the already adventurous Superior? A lightweight, lightning-fast shoe you can trust on any trail. This certified speed-seeker... Read more
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What do you get when you improve on the already adventurous Superior? A lightweight, lightning-fast shoe you can trust on any trail. This certified speed-seeker is trail-ready with a MaxTrac sticky rubber outsole, the lightweight and responsive Quantic midsole, and the improved upper that’s more locked-in and durable. Throw in improved breathability, better drainage, and a removable StoneGuard, and the Superior 4.5 is ready to blaze trail like never before. 


  • FOOTSHAPE™


  • BALANCED CUSHIONING™



  • QUANTIC™



  • MAXTRAC™



  • TRAILCLAW™



  • GAITERTRAP™



  • INNERFLEX™




    • Weight: 8.9 oz / 252 g

    • Insole: 6 mm Contour Footbed with removable StoneGuard

    • Midsole: Quantic with InnerFlex

    • Outsole: MaxTrac Rubber with TrailClaw

    • Cushion: Low

    • Stack Height: 21 mm

    • Upper: Seamless wrap-around engineered knit