-Springy Zoom Air unit, grippy outsole and an incredibly comfortable, padded collar, it delivers the performance you need to play at your best. Shifted from the traditional leather to a cleaner, more minimal finish to help keep you light on your feet. -A Zoom Air unit in the forefoot feels springy and responsive. - A stretchy internal sleeve hugs your foot for a sock-like fit. - Leather is smooth and durable. -Breathable material by the toe increases airflow.