THROWBACK STYLE. First released in 2003, the Nike Air Zoom Spiridon Cage 2 is as relevant today as it was then. It features the original design lines and caged Zoom Air unit for a responsive ride back to the 2000s. Responsive Ride Caged Zoom Air unit provides a responsive ride and modern look. Lightweight Flexibility Full-length foam midsole is lightweight and flexible. Durable Traction Durable rubber pods on the outsole provide traction where you need it. Product Details Mesh and synthetic leather upper Not intended for use as Personal Protective Equipment