Altra Men's DUO Black/Blue/White
- Weight: 7.9 oz / 224 g
- Insole: 6 mm Contour Footbed
- Midsole: Max-LT™
- Outsole: Blown rubber with full contact
- Cushion: Max
- Stack Height: 30 mm
- Upper: Thin and reinforced, breathable
If you're looking for max cushion with minimal weight, the Duo is your shoe. It is a lightweight, race day shoe through and through. With these fresh new colors comes small tweaks for even better performance and durability; the upper is reinforced with updated mesh, the tongue is padded and gusseted for better lockdown, and the Max-LT™ midsole is ready to race mile after mile.
Places your heel and forefoot the same distance from the ground to encourage proper, low-impact form throughout your trail run.
FOOTSHAPE™ TOE BOX
Allows your toes to relax and spread out naturally for more comfort and stability in uphill climbs and downhill descents.
Grid-like grooves in the midsole allow your foot to flex while being lighter, for more speed and better performance.
An outsole technology that actually maps the bones and tendons of your foot to help it bend and move naturally.