CAGED AIR. THROWBACK STYLE. First released in 2003, the Nike Air Zoom Spiridon Cage 2 is as relevant today as it was back in the day. Featuring OG design lines and a caged Zoom Air unit, it gives you a responsive ride with early 2000's style. Responsive Ride Caged Zoom Air unit provides a responsive ride and a modern, technical 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 upper Not intended for use as Personal Protective Equipment