The Adizero Adios Pro 4 features carbon-infused ENERGYRODS 2.0 for a seamless transition from heel to toe. A new rocker point in the midsole improves running economy, while a double layer of ultralight LIGHTSTRIKE PRO provides cushioning. The outsole is constructed with Continental™ rubber and LIGHTTRAXION for grip and reduced weight. regular fit lace closure textile and synthetic upper Lightstrike Pro cushioning textile lining Continental™ Rubber outsole 20% recycled content