The oldest annual marathon in the world, running the Boston Marathon is an accomplishment worth celebrating. Zip on this adidas jacket to train for the course or commemorate your journey to the finish line. It fits slim for an unrestricted feel and blocks breezy air with WIND.RDY. This product is made with 100% 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.