The Mod1 Pro Sl series from Oakley is designed specially for slalom skiing. The chin strap protects you from impacts to your face and neck.This helmet's design ensures a perfect fit and optimal comfort.Designed with Oakley's DNA in mind as ever, the Mod1 ski helmet has an iconic and timeless shape to give it a distinctive identity. Featuring a lightweight and sturdy In-Mold construction, this helmet also features a BOA 360 degree adjustment system for a perfect fit and full protection. Thanks to this system, this helmet will be able to adapt to all head shapes. Very practical, its Fidlock magnetic closure can be used even with your gloves and mittens. Now you wont get freezing hands when you are putting on or taking off your helmet! In short, this new Mod1 ski helmet combines simplicity and state-of-the-art functionality, wherever you are!