The Source Mips combines advanced performance and protection in a rugged design that's ready for the trail. With its deep coverage and aggressive ventilation from 17 vents combined with deep internal channels, it keeps your head cool even when riding rough. With the comfort and secure feel of the Roc Loc 5-Fit system with integrated mips and an adjustable moto-style screw-on visor, you get a helmet that's ready for fun and adventure.