The Ultra 100 Nimbus/Black Out for men from Dynafit is the perfect trail-running shoe for long-distance runs.Weighing only 310g, these lightweight shoes have a 6mm drop, making them versatile. The midsole has been designed with long distance runs in mind, providing all the necessary cushioning you'll need. With the Pomoca outsole, the model provides outstanding support, grip and traction on any terrain and in any conditions on your runs.The Invisible Lacing system, with a special stretchy lace cover, offers extra protection and prevents small stones or dirt from getting into the shoe. These shoes are also equipped with Heel Preloader technology, which provides increased heel support.