Newton Running Mens Distance Manmade,Mesh Made in USA or Imported Lock that pace in and let the miles fly by.Adaptation Period: Adjusting to Newton running shoes will depend upon several factors including: your current running shoes, your running form, gait efficiency, as well as your speed and flexibility. Newton recommends first-timers walk in their shoes for several days to become accustomed to the level platform. A lightweight neutral trainer designed for the efficient runner. Highly breathable, fast-drying, open mesh upper. Minimal synthetic overlays are anatomically placed. Metatarsal stretch panels. Slip-proof laces with double eyelets. Plush tongue and collar. Fabric lining. ETC antifriction, antimicrobial sockliner promotes a great in-shoe environment. Accommodates most orthotics. Forefoot Action/Reaction Technology: A highly responsive, trampoline-like and engaging midsole cushioning that protects and loses less energy with each step. High-rebound EVA. Biome