First released in 2003, the Nike Air Zoom Spiridon Cage 2 is as relevant now 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-2000s style. Responsive Ride The 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.