Zappos.com is proud to offer the Nike - Dart 9 (White/City Grey/Metallic Silver/Solar Red) - Footwear: Revel in the cushioned comfort of the Nike Dart 9 as you zip down the street. ; Update to the Dart 8, SKU#7619136. ; A running shoe built for the neutral to under-pronator who requires enhanced cushioning. ; Breathable mesh upper. ; Synthetic leather overlays provide durable support. ; Heel counter promotes a secure lockdown. ; Lightly padded tongue and collar for added comfort. ; Plush linings offer a great step-in feel. ; Full-length Phylon midsole with a beveled heel provides lightweight cushioning and an efficient stride. ; Solid rubber outsole, in a waffle pattern, supplies light cushioning and long-lasting grip. ; Flex grooves along the outsole allow the foot to move more fluidly throughout the gait cycle. ; Weight: 10 oz ; Product measurements were taken using size 7. Please note that measurements may vary by size.