The Nike Rosherun Light tech Dark Obsidian is the new model from the series Rosherun. For this shoe Nike has chosen to inspire the upper on the Flyknit. Combined with the beautiful gray color is so creates an entire clean sneaker. The sole of this Nike shoe is one that you will love. The sole of the new models of Rosherun fact has had an upgrade. This new NM sole, which stands for natural motion, features Flex Grooves.