Nike Flex Run 2015 Men's Running Shoe

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 motion