Great for recreational cyclists and beginners alike, the Skyline offers incredible protection and superb value for money. Built using an In-Mould hard body upper, the Giro Skyline offers outstanding protection from any impact while offering a stylish, lightweight feel. Add brilliant ventilation through the 10 large vents and the Skyline is transformed into an amazingly comfortable helmet. The simplicity of the Universal Fit sizing combined with an adjustable Acu Dial fit system allows you to get the fit you want with a simple turn of the dial making this our most popular cycling helmet. The Acu Dial system combines single-handed adjustment with a full fit band that brings a quick, sure ponytail-compatible fit in our line of Universal Fit helmets. Giro's Universal Fit family of helmets is sculpted to look good and fit great for most people on the first try. By developing unique shell sizes based on select customer groups and combining them with an adjustable fit system, Universal Fit helmets make it easier for you get the right fit, right out of the box, right away.