Altra Men's Instinct 4.5 Black
Altra's original road shoe has been upgraded! The Altra Instinct/Intuition 4.5 features a brand new engineered mesh upper and updated midsole for comfort and durability. The outsole is now full rubber for enhanced durability, and the insole is one piece for a better underfoot feel. Hit the road or the race course in Altra’s original style.
- Weight: 9.8 oz / 278 g
- Insole: 6 mm Contour Footbed
- Midsole: EVA with A-Bound™ top layer and InnerFlex™
- Outsole: Full Rubber FootPod™
- Cushion: Moderate
- Stack Height: 25 mm
- Upper: Engineered Mesh
- Other Features: Same last as Instinct/Intuition 1.5
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.