The Instinct started it all and is back with a new look, softer upper, and more responsive ride! The Instinct 3.5™ retains its lightweight, flexible design and innovative technology that put Altra on the map. The FootShape™ toe box allows your foot to relax and spread out naturally and keeps the big toe straight for more power. FootPod™ outsole technology maps the bones and tendons of your foot for natural flexibility and more responsiveness. A top layer of Altra's A-Bound™ energy return compound puts a spring into each step. Lace up into this and update and upgrade your run with the new Instinct 3.5.
- New Upper Design
- More Responsive Midsole
- Highly Reflective
ZERO DROP™ PLATFORM
- Weight: 8.1 oz./230 gr
- Stack Height: 24mm
- Designed to Improve: Running Form, Toe Splay, Stability, Power
- Ideal Uses: Running, Ultramarathons, Long Distance Walking, Cross Training
- Cushioning: Moderate
- Platform: Natural Foot Positioning: FootShape™ Toe Box with Fully Cushioned Zero Drop™
- Midsole: Dual Layer EVA with A-Bound™ Top Layer, InnerFlex™ Technology
- Outsole: FootPod™ Technology
- Insole: 5 mm Contour Footbed
- Upper: Quick-Dry Air Mesh
- Other Features: Natural Ride System
Places your heel and forefoot the same distance from the
ground to promote low-impact technique, naturally align
body posture and strengthen lower leg muscles weakened
from running on elevated heels.
FOOTSHAPE™ TOE BOX
Allows the toes to relax and spread out naturally and the
big toe to remain in a straight position for more stability and
a powerful toe-off to maximize running performance.
Made of recycled materials, this unique layer sits directly
under the foot to reduce the impact of hard surfaces and
return energy return into each stride. It’s literally a layer of
bouncy ball between the road and your feet!
An outsole designed for your foot makes sense doesn’t it?
The Altra road shoes feature FootPod technology that maps the
bones and tendons of your foot to provide a natural, easy
flex. This sets Altra apart from the predetermined flex of other
shoes that force your foot to move the way the shoe does.
Grid-like flex grooves in the midsole allow your foot to flex
where it needs to for more speed and better performance.
Unnecessary midsole was removed to create the flex
grooves, making the shoe incredibly light and fast.