The Phase is compact, cool, and durable enough to handle even the most daunting climbs and rock-strewn ribbons of singletrack. And it's a super value for riders who want high-profile performance in a low-profile helmet. Suggested Use: Recreational MTB, MTB Trail Ride, Touring and Urban/Commute Giro Phase Bike Helmet Features: Snap-fit 2 visor In-mold - EPS liner, polycarbonate shell Acu Dial (TM) 2 27 vents Style number PHASE