Ebay offers adidas women Adizero Boston 13 Shoes for $60 (reg. $160) with free shipping. 

Product Description:
Speed. Energy. Excitement. Feel the spirit of race day every time you lace into these adidas running shoes. A lightweight mesh upper gives you a secure fit so you can focus on the road ahead, and layers of Lightstrike and Lightstrike Pro cushioning deliver a light, responsive feel. Through tempo training or long runs, ENERGYRODS limit energy loss to help make every stride feel a little snappier. This product features at least 20% recycled materials. By reusing materials that have already been created, we help to reduce waste and our reliance on finite resources and reduce the footprint of the products we make.