Strengthening and confirming its know-how in technology and innovation not only in sole production but also in performance-enhancing compounds, Vibram presents their family of performance midsoles: Metaflex. The midsoles come in four different types (SL + SD + HA + LC ), each of which is specifically engineered to partner with high performance rubber outsoles. With versatility that makes them suitable for every type of market, any type of activity, Vibram Metaflex distinguishes itself by being lighter than standard EVA, and by providing exceptional cushioning and responsiveness.