With a tradition of excellence in the sport of running, the AdiZero Boston 7 running shoes are back with updates to this well-known racing staple. This competition-ready racing shoe features an ultra-lightweight, breathable air mesh upper material with a Microfit system that provides a secure feel and midfoot during the run. Despite its sleek design, the Boston 7 features a responsive Boost cushioning as part of midsole for and energized running experience.