The Nike Free Cross Bionic 2 Light Aqua/Volt/White/Black and Women's Nike Training Shoe offers a low-to-the ground feel and incredible flexibility for traction and control during your most intense workouts.ENHANCED FLEXIBILITY, ULTIMATE CONTROL.Even More FlexibleThe new, more flexible upper features lightweight mesh for breathability and protective TPU "skins" that surround the heel and toe for durability in these high-wear areas.Dynamic SupportVisible Flywire cables link directly with the laces to surround your foot for the most adaptive fit possible, helping support and stabilize your foot during quick movements and changes in direction.Excellent ControlThe durable, low-profile rubber outsole lets you feel closer to the ground for superior control and stability, and a hexagonal traction pattern provides excellent grip during multidirectional training movements.More Benefits Stretch neoprene foam lining the collar conforms to your foot for lightweight comfort and support Soft, molded foam at the heel helps lock your foot in place Molded OrthoLite ® sockliner provides flexible cushioning Anatomically shaped heel and forefoot optimize natural motion for multidirectional movement Offset: 0mmNike Free OriginsAfter learning that Stanford athletes had been training barefoot on the university's golf course, three of Nike's most innovative and creative employees set out to develop a shoe that felt natural and weightless, similar to bare feet. In 2002, they examined a group of men and women with pressure-measuring insoles taped to their feet, using high-speed cameras to capture images of each foot in motion. The team spent eight years studying the biomechanics of shoeless running. The results yielded a profound understanding of the foot's natural landing angle, pressure and toe position, allowing Nike designers to build an unconventional and flexible running shoe from the inside out....The Nike Shoes more colors