Fast, rugged and just as at home in the city as it is in deserts, canyons and mountains, the Nike ACG Mountain Fly Low is ready for whatever you throw at it. The lightweight Ripstop and synthetic upper is durable and airy, while the easy-to-cinch lacing system adds on-the-go personalisation. The sticky rubber outsole brings crag-inspired traction as the soft React foam midsole delivers undisputed comfort whether you're pounding the pavement in the city wilds or leaping rock to rock in Joshua Tree. Northwest Tested This product was designed and tested in Oregon, USA. The state's vast wilderness and climate has served as inspiration for our designs. Undeniable Comfort Nike React foam delivers unrivalled, all-day comfort. Stuck on Nature The sticky rubber outsole features large lugs that wrap onto the toe for a modern look that delivers traction and durability from the city to the trails.