A system in Giro helmets that allows them to fit different head sizes. The brand has combined a suitable shell construction with an advanced fit system to make the helmets versatile. They comfortably adapt to the shape of the cyclist's head from the first fitting. Plus - they look good.

Roc Loc Sport technology is a state-of-the-art helmet adjustment system that sets the standard for comfort, durability and lightness. This innovative mechanism allows the wearer to instantly and precisely adjust the fit of the helmet in just seconds, using just one hand.

In-mold is a manufacturing method in which the outer shell of the helmet is permanently bonded to a layer of inner protective foam during moulding. This makes the helmet lighter, more durable and better absorbs impacts. The process also provides an aesthetically pleasing finish and increased structural durability.