Hoka Women's CLIFTON 9 running shoes feature a breathable engineered knit upper. Gusseted tongue. Compression molded EVA foam midsole. Early stage Meta-Rocker. Durabrasion rubber outsole. Lighter and more cushioned than ever before. Eliminating weight while adding 3mm in stack height the new Clifton 9 delivers a revitalized underfoot experience with a responsive new foam and improved outsole design. Removing overlays and hotmelts the stripped back upper has been consciously crafted with a plusher heel reflective heel panel and streamlined tongue with single side medial gusset.