Nike Tennis Breathe Free II Men's Tennis Shoe: The Nike Tennis Breathe Free II Men's Tennis Shoe is an elite-level performance tennis shoe with ultimate breathability and awesome durability. Innovative midfoot construction provides new and improved breathability, durability, and stability Direct Inject DRAG-ON and a highly breathable mesh provide maximum temperature control, exceptional durability in the toe area, lateral stability, and great forefoot flexibility Forefoot and heel Phylon midsole with TPU shank interlock Zoom Air unit in the forefoot and a maximum volume Air-Sole unit in the heel provide ultimate cushioning Molded, Ortho-Lite sock liner provides superior in-shoe comfort Full-length DRC outsole with herringbone pattern provides exceptional traction on a variety of court surfaces with improved durability The DRC wraps up over the toe area of the Nike Tennis Breathe Free II Men's Tennis Shoe for added durability