Nike Lady Free TR FIT 2 Cross Training Shoes No-sew construction - at upper to minimize seams for less irritation, meaning you can conc Air mesh upper - for maximum breathability, keeping your feet cool and dry. Phylite midsole With engineered longitudinal and latitudinal sipes for a much better and e Deep flex grooves - Located along the outsole for greater flexibility, smoother and effici Flexible neoprene heel counter - that supports the foot and keeps it in place.