The Nike Flex Run 2015 Black/Volt/White of Men's Nike Running Shoe creates optimal airflow and a natural ride with innovative Breathe Tech construction and full-length outsole flex grooves. A bootie design wraps the foot for a snug, seamless feel, and a soft, pressure-mapped Phylon midsole creates superb lightweight cushioning.INCREDIBLE BREATHABILITY. ARTICULATED MOTION.Benefits Lightweight mesh upper for breathability Breathe Tech construction fuses foam and mesh for ventilation and lightweight support Bootie construction wraps the foot for a seamless, comfortable feel Phylon midsole with pressure mapping for lightweight cushioning Two-piece Phylite carrier for a natural feel and reduced bulk Articulated, full-length flex grooves for smooth, efficient range of motionProduct Details Minimal no-sew overlays deliver seam-free comfort and support Asymmetrical midfoot design provides a locked-down feel Molded EVA sockliner for comfort and support Strategically placed rubber for enhanced durability and traction in high-wear areas...The Nike Shoes more colors