esigned for mid to long-distance running, the Adizero Boston 12 brings a race-day feel with high-performance technology at the core of the design. Crafted from at least 50% recycled materials, the lightweight engineered mesh upper offers a breathable fit with targeted support in key zones. Underfoot, the glass-fibre-infused ENERGYRODS 2.0 limits energy loss during training, while the Lightstrike Pro + and Lightstrike 2.0 layered midsole is designed to offer a dynamic ride. | ID4234, Textile & Synthetic Upper/Synthetic Sole.