Form, Fit & Style for Almost any Ride. The Skyla™ is one of Giro's most-loved helmets, combining sleek design & light weight with key features for both road & off-road riding. The simplicity of Universal Fit™ sizing makes it easy to get one that fits comfortably & looks great, & our adjustable Acu Dial™ fit system means that you can get the fit you want with just a simple turn of the dial. Of course it’s available in a range of colors too, so you can find a style that looks & feels custom made for you.