adidas Running Adizero Boston 12 Shoes Men Blue IF9211

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-fibre 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. - Continental™ Rubber outsole - Upper contains a minimum of 50% recycled content - Midsole drop: 7 mm (heel: 38 mm / forefoot: 31 mm) - Lace closure - Regular fit - Textile lining - Lightweight mesh upper - Weight: 260 grams (size UK 8.5) - Lightstrike Pro cushioning - ENERGYRODS 2.0 limit energy loss