This is it. The moment when training, adrenaline and determination come together to carry you across the finish line of the Boston Marathon®. From Hopkinton to Heartbreak Hill, this adidas running singlet keeps you feeling light and fast. The breathable fabric and racerback design allow maximum freedom of movement, so you can maintain focus as the crowds cheer you on. This product is made with at least 70% 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.