Hear that? That’s the sound of your PR falling and records breaking. Of Swiss engineering colliding with elite athlete input to create the ultimate marathon shoe. Introducing the Cloudboom. Engineered with twin CloudTec® cushioning for instant fit and long-distance comfort. Featuring a carbon-fiber-infused Speedboard™ to kick right through the 42.2/26.2. Everything you need for your fastest marathon ever. Boom.
Fast marathons, Road races between 10 – 42.2km, long-distance intervals