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. Weight: 9.9 oz.. Lace type: Standard tie. NEUTRAL: For runners who need flexibility, cushioning & versatility. .