APL Women's Streamline Sz 7 Color Fusion Pink/White Limited Edition Breast Cancer Awareness Maximum cushioning, two-piece APL FutureFoam midsole specifically tuned for running. Slanted shank plate encourages foward motion upon foot strike. Lightweight, solid rubber outsole designed for road and gym use. APL AeroLux upper combines a lightweight woven textile that is breathable and strong with thin layers of support and vector flow lines. 3D molded heel padding and microfiber collar edges. All new proprietary 5mm APL Soufflé sockliner. The 8mm drop from the heel to the forefoot places your foot in a natural position for efficient running.