A First Look at the adidas adizero Adios Primeknit BOOST

For its latest trick, adidas has combined two of its biggest innovations, Primeknit and BOOST, to create the adizero Adios Primeknit BOOST. Currently in its testing phase, this latest performance running model is based on the adidas adizero Adios BOOST -- currently the world's fastest marathon shoe -- but trades in that shoe's mesh and synthetic upper for a knit upper made from a single piece of yarn. Below is adidas's lightweight BOOST sole which offers unparalleled cushioning and a much longer...