Adidas Adizero Boston 12

FAST-TEMPO TRAINING SHOES WITH HIGH PERFORMANCE TECHNOLOGY. US 9 UK 8.5 EUR 42 2/3 The Boston Marathon is a race. But it's also a goal, and a training plan and all the days it stays on your mind before the big one. The Adizero Boston 12 Shoes are built for mid- to long-distance running. They bring a race-day feel to training with a propulsive feel that comes from the glass-fiber infused ENERGYRODS 2.0, which limit energy loss underfoot. They're fast, but that does not come at the cost of durability — the midsole layers ultra-light LIGHTSTRIKE PRO cushioning with a new version of durable LIGHTSTRIKE 2.0 EVA. Engineered Mesh Take on your tempo training runs with a breathable fit. Experience targeted support from engineered key zones, providing both midfoot lockdown and forefoot flexibility. ENERGYRODS 2.0 A holistic structure system designed for a seamless transition from heel to toe, bringing race-day performance to high-speed training runs. Lightstrike Pro + Lightstrike 2.0 A layered midsole construction made of our high-performance foam Lightstrike Pro plus the all-new Lightstrike 2.0, engineered to deliver a cushioned and dynamic ride. The Continental™ outsole provides superior grip in the most demanding conditions. Made in part with recycled materials Made with at least 50% recycled materials in the upper, this shoe represents just one of our solutions to help end plastic waste. Regular fit Lace closure Lightweight mesh upper Textile lining ENERGYRODS 2.0 limit energy loss Lightstrike Pro cushioning Weight: 9.1 ounces (size 9) Midsole drop: 7 mm (heel: 38 mm / forefoot: 31 mm) Continental™ Rubber outsole Upper contains a minimum of 50% recycled content