UA Storm technology is water resistant and keeps your foot dry throughout the run without compromising the breathability of the shoes External TPU arch in the heel for increased stability Padded, removable sole keeps the shape for a full day's comfort. Double layered Charged Cushioning® midsole is tighter at the heel and softer under the center foot for a mix of support and comfort to perform. Outsole for better traction and durability with less weight. The sole makes no marks on the floor. 360 degree reflectivity 8 mm drop