Designed specifically for a woman,the lightweight,flexible WX812 responds to your every move. N-Ergy® cushioning provides shock absorption and responsiveness.Additional features of this shoe include a stability shank embedded into the midsole that supports the arch and helps create a smoother gait,a full EVA strobel board for all-day comfort,and N-Durance® rubber compound for maximum outsole durability.Additional InfoTraining,Therapeutic