Adidas Adizero Boston 12

These have about 12-15 miles on them from 4-5 slow walks   FAST-TEMPO TRAINING SHOES WITH HIGH PERFORMANCE TECHNOLOGY. 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.  • 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 mml • Continental™ Rubber outsole • Upper contains a minimum of 50% recycled content • Imported • Product color: Core Black / Cloud White / Carbon • Product code: ID4234