Rugged, lightweight trail helmet with MIPS system for active mountain bikers. The Source MIPS combines advanced performance and protection in a rugged design that's ready for the trail. With deep coverage and aggressive ventilation from 17 vents combined with deep internal channels, it keeps your head cool even on the roughest rides. Add the comfort and secure feel of the Roc Loc 5-Fit system with integrated MIPS, plus an adjustable moto-style screw-on visor, and you've got a helmet that's ready for fun and adventure.