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The Duo is the perfect combination of maximum cushion and minimal weight. The blown rubber outsole, injection molded midsole and super thin mesh upper all work together to create a super fast, cushy, lightweight racing shoe. The Duo is the perfect example of Speed to the Max.

FOOTSHAPE™ TOE BOX
Altra's FootShape™ Toe Box toe box allows the toes to relax and spread out naturally and the big toe to remain in a straight position for maxium stability and power.


ZERO DROP™ PLATFORM
Every Altra shoe features a Zero Drop™ Platform that places the heel and forefoot the same distance from the ground for natural alignment and a low-impact landing.

  • Ideal Uses:  Road Running, Road Racing, Hot Weather Endurance Racing
  • Weight:  7.9 oz. / 224 g
  • Insole:  6 mm Contour Footbed
  • Platform:  Natural Foot Positioning: FootShape™ Toe Box, Cushioned Zero Drop™
  • Stack Height:  30 mm
  • Midsole:  Lightweight injection molded foam
  • Outsole:  Blown rubber with full contact
  • Upper:  Thin and reinforced, breathable upper
  • Other Features:  Nubuck pillow tongue, DriLex lining
Product Code: L1114208

Altra founders Golden Harper and Brian Beckstead met in high school in 1997.

 

They've been running together ever since. Even as young kids, these two pursued the sport with passion and commitment, both for fun and in competition. Golden ran his first marathon at age 10 and then set an age group world

 

record two years later

 

 

The Runner's World Best Debut designation confirmed Altra was on the right track—and runners agreed. Altra was just warming up and has continued to receive praise for their breakthrough innovations.

 

Altra collected several editor's choice awards in addition to many other awards, including best winter trail

 

shoe, best traction, and comfiest ride.

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