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.
- 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
Product Code: L1114137
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