Avia - 250 (White/Submarine/Flint Blue/Fanta Orange) - Women's: A well-cushioned running shoe designed for under-pronators to neutral runners. Cantilever System technology which centers the heel over a concave sole. The concave sole acts like a trampoline to soften impact, stabilize the heel and provide increased energy return. Anatomical Cradle improves both motion control and shock absorption. Lightweight synthetic and mesh upper with reflective features. Removable molded EVA sockliner. Compression molded EVA midsole. Solid rubber outsole with forefoot flex grooves.