ALTRA INSTINCT 4.5
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.
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