Pearl iZUMi Women's W EM Road M 3 Running Shoe 100% Textile Imported Rubber sole Category: Mid-Foot Pronation Stability - Bio-mechanically tuned dynamic offset-shaped E:Motion midsole features our most cushioned and broad midsole platform Seamless Upper provides support ans security in a lightweight, seamless envelope Transfer Dry spacer mesh keeps feet cool and dry - High-density post at medial midfoot is engineered for pronation control 1:1 Energy foam cushions forefoot upon impact and returns energy back to the runner 1:1 Shock absorption foam in heel absorbs and diffuses forces upon inital ground contact