NIKE Zoom Terra Kiger 2 Womens Hyper Cobalt/Bright Magenta Running Sneakers Synthetic Dynamic Fit technology integrates Flywire cables with the laces Compression-molded Phylon cushioning in the midsole Nike Zoom units in the heel and forefoot 4mm drop places the foot in a natural position Sticky rubber in the center of the forefoot for wet-surface traction