Nike Dart 9 - Men'sThe Nike Dart 9 is made for the runner who wants a comfortable and versatile running shoe. Breathable mesh upper with a molded midfoot saddle delivers a lightweight, supportive fit. Phylon™ midsole with natural motion engineering provides a smooth, well-cushioned ride. Waffle® outsole pattern gives great traction and durability. Wt. 11.4 oz.