Super Jazz is a split sole laceless jazz shoe. This shoe is made on our big arch jazz last and features full grain soft leather and a strong elastic top piece. The rubber outsole is designed to be strong, yet flexible and has passed the Bloch spin test. There is a strong heel counter to prevent collapsing and a 100% cotton lining for an added strength that helps the shoe to breathe. The shoe is light, soft and flexible yet tough in all the right places. Adult Sizes. Fitting: Men= order 2 1/2 sizes larger than street shoe. Women= order 1/2 size larger than street shoe