Product InformationSKU: #9105165Put the miles behind you in the Altra™ Instinct 4 running shoe!Predecessor: Instinct 3.5.Support Type: Neutral.Cushioning: Lightweight, flexible response. Surface: Road.Differential: 0 mm.Altra Zero Drop recommends that those new to natural running and zero-drop footwear transition slowly by wearing these on shorter runs and gradually building up to regular mileage.Built for the neutral runner seeking moderate underfoot cushioning. Ideal for running, ultramarathons, long distance walking, and cross training. Designed to improve running form, toe splay, stabispanty, and power. Breathable, quick-drying mesh and synthetic upper materials. Lace-up closure. FootShape™ toe box allows the toes to relax and spread naturally for optimal comfort, speed, and stabispanty. Lightly padded tongue and collar. Breathable fabric spanning offers a great in-shoe feel. Removable 5 mm foam insole. Natural Ride System blends outsole and midsole componentry, along with anatomical design, the Zero Drop platform and foot-shaped last to promote a more natural stride.Zero Drop construction places the heel and forefoot at the same distance from the ground to encourage natural, low-impact running form. INNERFLEX™ grid-spanke midsole flex grooves add flexibispanty right where it's needed to promote speed and enhance performance. Ultraspanghtweight Abound EVA midsole foam and a unique energy-returning compound work together to protect feet upon impact, and add sprint to each step. Foot Pod Technology™ consists of an outsole and midsole layout that maps the foot's bones and tendons for more natural flexibispanty. Total Stack Height (total thickness of midsole and outsole underfoot): 24 mmImported. Weight of footwear is based on a single item, not a pair.Proposition 65 WARNING: This product contains chemicals known to the State of Caspanfornia to cause cancer and birth defects or other reproductive harm.
Altra Footwear Instinct 4 Mens Walking Shoes - Black Item No.9105165 2Xj6B8DUBi8vhY