Altra’s original road shoe has been upgraded! The Altra Instinct 4.5 features a brand new engineered mesh upper and updated midsole for comfort and durability.  Hit the road or the race course in Altra’s original style.

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Altra’s original road shoe has been upgraded! The Altra Instinct 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.

Technical Specs

  • Ideal Uses: Running, walking, fitness, cross training
  • Cushioning: Moderate
  • Stack Height: 25 mm
  • Weight: 9.8 oz. / 278 g
  • Designed To Improve: Natural Foot Positioning, Toe Splay, Comfort
  • Platform: Fully Cushioned Zero Drop™ platform and FootShape™ toe box
  • Last: SD2
  • Midsole: EVA with A-Bound top layer and InnerFlex
  • Outsole: Full rubber
  • Insole: 6 mm Contour Footbed
  • Upper: Color-blocked engineered mesh with 3D printed pinstripes
  • Other Features: DriLex lining

Purchase from Retailer

Best Use

Running

Brand

Altra

Closure Type

Lace-up

Heel-to-Toe Drop (mm)

Zero

Type

Sneaker

Stack Thickness

20 to 25 mm

Weight

10 to 13 ounces

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Problem with the link or is the product no longer available?’
Notify us of any problems please to help us keep the catalog up to date.
Links within this page may contain affiliate links