Altra Duo Men's Running in Red AFM1838F-6

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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.

Technical Specs

• Ideal Uses: Running, Road Racing, Speed Work
• Cushioning: High
• Stack Height: 30 mm
• Weight: 7.9 oz. / 224g
• Designed To Improve: Natural Foot Positioning, Toe Splay, Comfort
• Platform: Fully Cushioned Zero Drop™ platform and FootShape™ toe box
• Last: HFS
• Midsole: Lightweight injection molded foam
• Outsole: Blown rubber with full contact
• Insole: 6 mm Contour Footbed
• Upper: Thin and reinforced, breathable upper
• Other Features: Nubuck pillow tongue, DriLex lining

D-Medium Width Only
SRP-$130