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This shoe has been the choice of former world #1 RafaeI Nadal. Inside, the shoe is an upgrade on the previous 1.3 in several key areas. The Lunarlite technology fitted into the midsole relieves pressure from the foot with each pounding step on the court. Meanwhile a significant drop in the shoe's overall weight augments the player's ability to make quick cuts and lateral movements. In addition, the patented DragONX upper is constructed to give your foot the utmost in breathability and support.Nike Flywire ShoeTechnology.

Flywire helps provide ultra-lightweight support and comfort for your foot. It gets its strength from thin Nylon fibers strategically placed on the upper of the shoe to hold the foot in place, helping to reduce slippage during activity. This allows for a massive reduction in weight because material is used only where it’s needed for structure.

Nike Flywire ShoeTechnology

Flywire helps provide ultra-lightweight support and comfort for your foot. It gets its strength from thin Nylon fibers strategically placed on the upper of the shoe to hold the foot in place, helping to reduce slippage during activity. This allows for a massive reduction in weight because material is used only where it’s needed for structure.

Nike Lunarlite ShoeTechnology

LunarLite foam is 30 percent lighter than standard Phylon and provides ultra-lightweight and springy cushioning for your foot. Encased in a Phylon or Phylite midsole, this new foam compound, invented at Nike, delivers cushioning that’s soft and not too mushy. It allows impact force to be more evenly distributed and helps reduce painful pressure points on your foot.