Product details:

Light, breathable stretch-mesh upper with molded synthetic midfoot panel for added durability & support. Removable foam sockliner for ultimate step-in comfort & cushioning. Charged Cushioning midsole uses compression molded foam for ultimate responsiveness & durability. Solid rubber outsole covers high impact zones for greater durability with less weight. Anatomically placed, deep flex grooves offer extra flexibility in key areas. NEUTRAL: For runners who need a balance of flexibility & cushioning.