The Duo is the perfect combination of lightweight feel in a max cushioned package. The blown rubber outsole, injection molded midsole and super thin mesh upper, combine to create a crazy fast, cushy, lightweight racing shoe. The Duo delivers Fit4Her Speed to the Max.
FOOTSHAPE™ TOE BOX
Altra's FootShape™ 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.
The Fit4Her™ technology means we customize every women's shoe to the unique anatomy of the female foot.
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.
The Max-LT midsole provides a firm, max cushion platform.
- Ideal Uses: Road Running, Road Racing, Hot Weather Endurance Racing
- Weight: 5.3 oz. / 150 g
- Cushioning: High
- Insole: 6 mm Contour Footbed
- Platform: Fully Cushioned Zero Drop™ platform and FootShape™ toe box
- 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
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