adidas Women's Ultraboost W Running Shoe Textile and Synthetic Imported Rubber sole Shaft measures approximately low-top from arch Imported adidas shoes Boost is our most responsive cushioning ever: the more energy you give, the more you get; stretch web rubber outsole flexes underfoot for an energized ride Torsion system between the heel and forefoot for a stable ride; supportive cage wraps around the midfoot for a lockdown fit Fit counter molded heel counter provides a natural fit that allows optimal movement of the achilles; continental rubber outsole for extraordinary grip in wet and dry conditions