Giro Rumble Bike Shoes are more than just shoes for a biker; they are the shoes for a true dedicated athlete. When mountain biking upwards of 10 miles per hour, getting good traction on the pedals is incredibly important for maintaining speed and balance. This is where the shoes come in. Giro Rumble Bike Shoes are custom designed to provide support for the arch of the foot, shaping it in the optimal position for biking. The unique way it handles fastening means the chances of laces becoming undone are next to none. The shoes are incredibly lightweight and specially designed to make sure there's absolutely no unnecessary drag that would otherwise slow the true athlete down.