DESC: The Nike Air Zoom Skylon+ II running shoe is for the serious runner that looks for an advantage in speed. Super breathable and light 3D sandwich mesh upper. Injected overlay "fingers" provide support. Zoom Air unit in the heel and forefoot. Cushlon ST foam and Dura DS midsole add the ultimate combination of lightweight, responsiveness and durability. Dura DS and BRS 1000 outsole for your speed and longevity, mile after mile. Wt. 10.8 oz.