PRODUCT STORY You move fast. This new version of the Cell Surin keeps up. What more do you need to know? We suppose we could mention the breathable upper; the lightweight feel; the cell-like cushioning technology for optimum comfort...but, really, it's all just a giant bonus at this point. FEATURES + BENEFITS 10CELL technology for optimal heel cushioning and added comfort DETAILS Synthetic upper for breathability Lace closure for snug fit TPU Shank for increased stability and motion control EVA midsole Softfoam footbed for comfort Rubber outsole for grip Like new condition; worn only a few times.