Nike Dual Fusion Run Breathe - Women'sLooking for a run as smooth and easy as breathing? The Nike Dual Fusion Run Breathe running shoe uses a combination of support and cushioning to give you the ride modern runners are looking for. The mesh and leather materials of the upper work together to provide a superior fit. A Phylon dual-density system in the midsole combines firm support with a soft interior for the perfect balance of comfort and support. The outsole assures a smooth heel-to-toe transition with its unique waffle pattern design. Wt. 9.3 oz.