FIT SYSTEM: Integrated Custom Dial 360. EPS4D: Salomon's patented EPS4D technology maximizes energy absorption and protects from oblique and vertical shocks. Integrated Custom Dial 360: The integrated Custom Dial 360 allows you to quickly and precisely adjust your helmet's fit to the circumference of your head, simply turn the knob and enjoy a perfect fit. MaxFit Construction: This completely redesigned V-shaped ear pad construction immediately ensures a perfectly snug and comfortable instant fit.In-mold construction: A lightweight PC shell fused with EPS liner to maximize protection and comfort. Airflow concept: The EPS4D liner built-in channels allow an even temperature and constant airflow between your head, your helmet and your goggles (adjustable airflow on selected styles). Advancedskin activedry: Quick drying material to keep your skin dry. 3D sound system earpads: A new, 3D perforated ear-pad construction that allows better sound transmission. Removable/washable: an easy to remove, 100% washable liner, for better hygiene. Real Shop With Real People!