Mips - multi-directional impact protection system can provide greater protection for certain impacts. Hard Shell construction produces large helmets of great value. A sturdy outer shell is moulded and then attached to the EPS foam lining. The Loc Auto 2 Fit is a removable, durable self-adjusting shaped system designed to take the hassle of fitting a helmet. On-the-Fly Vertical Tuning - Combination of different glasses and head shapes for a custom fit without gaping Wind of the Giro battery in the helmet aligned with the Google central vent helps keep clear and fog-free.