Adizero Boston 12 Shoes Width:Medium and a relaxed fit

and a relaxed fit

Made for easy on/off versatility and a comfy

and lightweight midsole offers soft cushioning and support through training

with multi-use capabilities

The synthetic leather upper is accented with a toe cap and padded collar for a modern play of textures

Adizero Boston 12 Shoes Width:Medium and a relaxed fitThe 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